1 CP3 Coproporphyrinogen III 1.000 2 HT9 Coproporphyrin III 1.000 3 PP9 Protoporphyrin ix 0.875 4 BW9 Chromium protoporphyrin ix 0.857 5 COH Protoporphyrin ix containing co 0.857 6 CV0 Mesoporphyrin ix containing RH 0.857 7 GIX Protoporphyrin ix containing ga 0.857 8 HEB Heme B/C 0.857 9 HEC Heme C 0.857 10 HEG Protoporphyrin ix containing Mg 0.857 11 HEM Protoporphyrin ix containing Fe 0.857 12 HES Zinc substituted heme C 0.857 13 HNI Protoporphyrin ix containing ni(II) 0.857 14 ISW {3,3'-[(9s)-8,13-diethenyl-3,7,12,17-tetramethyl-9,10-dihydroporphyrin-2,18-diyl-kappa~4~N~21~,N~22~,N~23~,N~24~]dipropanoato(2-)}iron 0.857 15 MH0 Mesoheme 0.857 16 MNH Manganese protoporphyrin ix 0.857 17 MNR Protoporphyrin ix containing Mn 0.857 18 RUR [3,3'-(7,12-diethyl-3,8,13,17-tetramethylporphyrin-2,18-diyl-kappa~4~N~21~,N~22~,N~23~,N~24~)dipropanoato(2-)]ruthenium 0.857 19 ZNH Protoporphyrin ix containing Zn 0.857 20 1CP Coproporphyrinogen I 0.846 21 HCO 2-acetyl-protoporphyrin ix 0.840 22 ZEM 20-oxo-protoporphyrin ix containing Zn(II) 0.840 23 PC3 Coproporphyrin I containing co(III) 0.830 24 522 Peroxidized heme 0.824 25 DDH [7,12-deacetyl-3,8,13,17-tetramethyl-21h,23h-porphine-2,18-dipropanoato(2-)-n21,n22,n23,n24]-iron 0.824 26 HEV 5,8-dimethyl-1,2,3,4-tetravinylporphine-6,7-dipropionic acid ferrous complex 0.824 27 HP5 Peroxidized heme form 2 0.824 28 18B 3-[2-[(z)-[3-(2-carboxyethyl)-5-[(z)-(3-ethenyl-4-methyl-5-oxo-pyrrol-2-ylidene)methyl]-4-methyl-pyrrol-2-ylidene]methy L]-5-[(z)-(4-ethyl-3-methyl-5-oxo-pyrrol-2-ylidene)methyl]-4-methyl-1h-pyrrol-3-yl]propanoic acid 0.820 29 3Q8 3-[2-[[5-[[(3e,4s)-3-ethylidene-4-methyl-5-oxidanylidene-pyrrol-2-yl]methyl]-3-(3-hydroxy-3-oxopropyl)-4-methyl-1h-pyrrol-2-yl]methyl]-5-[(4-ethyl-3-methyl-5-oxidanylidene-pyrrol-2-yl)methyl]-4-methyl-1h-pyrrol-3-yl]propanoic acid 0.820 30 3Q9 3-[5-[(4-ethyl-3-methyl-5-oxidanylidene-pyrrol-2-yl)methyl]-2-[[5-[(3-ethyl-4-methyl-5-oxidanylidene-pyrrol-2-yl)methyl]-3-(3-hydroxy-3-oxopropyl)-4-methyl-1h-pyrrol-2-yl]methyl]-4-methyl-1h-pyrrol-3-yl]propanoic acid 0.820 31 BLA Biliverdine ix alpha 0.820 32 BLR 3-[5-[(z)-(4-ethenyl-3-methyl-5-oxidanylidene-pyrrol-2-ylidene)methyl]-2-[[5-[(z)-(3-ethenyl-4-methyl-5-oxidanylidene-pyrrol-2-ylidene)methyl]-3-(3-hydroxy-3-oxopropyl)-4-methyl-1h-pyrrol-2-yl]methyl]-4-methyl-1h-pyrrol-3-yl]propanoic acid 0.820 33 BLV Biliverdin ix gamma chromophore 0.820 34 BVX 3-[2-[(~{z})-[5-[(4-ethenyl-3-methyl-5-oxidanylidene-pyrrol-2-ylidene)methyl]-3-(3-hydroxy-3-oxopropyl)-4-methyl-pyrrol-2-ylidene]methyl]-5-[(~{z})-(3-ethyl-4-methyl-5-oxidanylidene-pyrrol-2-ylidene)methyl]-4-methyl-1~{H}-pyrrol-3-yl]propanoic acid 0.820 35 CCH [7-ethenyl-12-formyl-3,8,13,17-tertramethyl-21h,23h-porphine-2,18-dipropanoato(2)-n21,n22,n23,n24]iron 0.820 36 CYC Phycocyanobilin 0.820 37 HFM 2-formyl-protoporphryn ix 0.820 38 IE5 Biliverdine ix alpha 0.820 39 JRA 3-[2-[(~{z})-[5-[(~{z})-[(3~{S},4~{R})-3-ethenyl-4-methyl-5-oxidanylidene-pyrrolidin-2-ylidene]methyl]-3-(3-hydroxy-3-oxopropyl)-4-methyl-pyrrol-2-ylidene]methyl]-5-[(~{z})-(4-ethenyl-3-methyl-5-oxidanylidene-pyrrol-2-ylidene)methyl]-4-methyl-1~{H}-pyrrol-3-yl]propanoic acid 0.820 40 PEB Phycoerythrobilin 0.820 41 PUB Phycourobilin 0.820 42 PXQ 3-[5-[[(3~{R},4~{R})-3-ethyl-4-methyl-5-oxidanylidene-3,4-dihydropyrrol-2-yl]methyl]-2-[[5-[(~{z})-(4-ethyl-3-methyl-5-oxidanylidene-pyrrol-2-ylidene)methyl]-3-(3-hydroxy-3-oxopropyl)-4-methyl-1~{H}-pyrrol-2-yl]methyl]-4-methyl-1~{H}-pyrrol-3-yl]propanoic acid 0.820 43 UPB 3-[5-[(~{z})-(4-ethenyl-3-methyl-5-oxidanylidene-pyrrol-2-ylidene)methyl]-2-[(~{z})-[5-[(~{z})-[(4~{R})-3-ethyl-4-methyl-5-oxidanylidene-pyrrolidin-2-ylidene]methyl]-3-(3-hydroxy-3-oxopropyl)-4-methyl-pyrrol-2-ylidene]methyl]-4-methyl-1~{H}-pyrrol-3-yl]propanoic acid 0.820 44 UYC 3-[2-[(~{z})-[5-[(~{z})-[(4~{R})-3-ethylidene-4-methyl-5-oxidanylidene-pyrrolidin-2-ylidene]methyl]-3-(3-hydroxy-3-oxopropyl)-4-methyl-pyrrol-2-ylidene]methyl]-5-[(~{z})-(4-ethyl-3-methyl-5-oxidanylidene-pyrrol-2-ylidene)methyl]-4-methyl-1~{H}-pyrrol-3-yl]propanoic acid 0.820 45 VHG 3-[2-[[5-[(4-ethenyl-3-methyl-5-oxidanylidene-pyrrol-2-yl)methyl]-3-(3-hydroxy-3-oxopropyl)-4-methyl-1~{H}-pyrrol-2-yl]methyl]-5-[[(3~{S})-4-ethyl-3-methyl-2-oxidanylidene-1,3-dihydropyrrol-5-yl]methyl]-4-methyl-1~{H}-pyrrol-3-yl]propanoic acid 0.820 46 VRB Phycoviolobilin, blue light-absorbing form 0.820 47 FDD Fe(III) 2,4-dimethyl deuteroporphyrin ix 0.816 48 N7H Delta-meso nitroheme 0.808 49 NTE [3,3'-{7-ethenyl-3,8,13,17-tetramethyl-12-[(E)-2-nitroethenyl]porphyrin-2,18-diyl-kappa~4~N~21~,N~22~,N~23~,N~24~}dipro panoato(2-)]iron 0.808 50 UP2 Uroporphyrinogen III 0.800 51 UP3 3,3',3'',3'''-[3,8,13,17-tetrakis(carboxymethyl)porphyrin-2,7,12,18-tetrayl]tetrapropanoic acid 0.800 52 DE9 3,3'-(3,7,12,17-tetramethylporphyrin-2,18-diyl)dipropanoic acid 0.792 53 UFE Fe(III) uroporphyrin 0.787 54 BL3 3-[2-[(z)-[3-(2-carboxyethyl)-5-[(z)-(3-ethenyl-4-methyl-5-oxo-pyrrol-2-ylidene)methyl]-4-methyl-pyrrol-2-ylidene]methy L]-5-[(z)-(3-ethenyl-4-methyl-5-oxo-pyrrol-2-ylidene)methyl]-4-methyl-1h-pyrrol-3-yl]propanoic acid 0.784 55 H02 N-methyl protoporphyrin ix 2,4-disulfonic acid 0.784 56 MBV Mesobiliverdin IV alpha 0.784 57 MMP N-methylmesoporphyrin 0.784 58 7HE 7-methyl-7-depropionatehemin 0.776 59 DEU Co(III)-(deuteroporphyrin ix) 0.776 60 FDE Fe(III) deuteroporphyrin ix 0.776 61 MD9 Magnesium deuteroporphyrin ix 0.776 62 ZND Zinc (II) deuteroporphyrin ix 0.776 63 PQ2 3,3',3'',3'''-[(7s,8s,12s,13s)-3,8,13,17-tetrakis(carboxymethyl)-8,13-dimethyl-7,8,12,13,20,24-hexahydroporphyrin-2,7,1 2,18-tetrayl]tetrapropanoic acid 0.774 64 SHN 3,3',3'',3'''-[(7s,8s,12s,13s)-3,8,13,17-tetrakis(carboxymethyl)-8,13-dimethyl-7,8,12,13-tetrahydroporphyrin-2,7,12,18-tetrayl]tetrapropanoic acid 0.774 65 CLN Sulfur substituted protoporphyrin ix 0.769 66 FMI Fe-(4-mesoporphyrinone)-R-isomer 0.769 67 HIF Fe(III)-(4-mesoporphyrinone) 0.769 68 MI9 Oxomolybdenum mesoporphyrin ix 0.769 69 MP1 N-methylmesoporphyrin containing copper 0.769 70 J1R (1r,19r) cobalt tetradehydrocorrin 0.765 71 J1S (1s,19s) cobalt tetradehydrocorrin 0.765 72 1FH 12-phenylheme 0.764 73 2FH 2-phenylheme 0.764 74 F0L Nickel-sirohydrochlorin 0.762 75 TBV 3-[2-[[3-(2-carboxyethyl)-5-[[3-ethenyl-4-methyl-5-[(2-methylpropan-2-yl)oxy]-1h-pyrrol-2-yl]methyl]-4-methyl-1h-pyrrol -2-yl]methyl]-5-[(z)-(4-ethenyl-3-methyl-5-oxo-pyrrol-2-ylidene)methyl]-4-methyl-1h-pyrrol-3-yl]propanoic acid 0.759 76 HDM Dimethyl propionate ester heme 0.755 77 9UY 3-[5-[[(3~{R},4~{R})-3-ethenyl-4-methyl-5-oxidanylidene-3,4-dihydropyrrol-2-yl]methyl]-2-[[5-[(4-ethenyl-3-methyl-5-oxidanylidene-pyrrol-2-yl)methyl]-3-(3-hydroxy-3-oxopropyl)-4-methyl-1~{H}-pyrrol-2-yl]methyl]-4-methyl-1~{H}-pyrrol-3-yl]propanoic acid 0.750 78 9V1 3-[2-[[5-[(4-ethenyl-3-methyl-5-oxidanylidene-pyrrol-2-yl)methyl]-3-(3-hydroxy-3-oxopropyl)-4-methyl-1~{H}-pyrrol-2-yl] methyl]-5-[[(3~{R},4~{R})-3-ethyl-4-methyl-5-oxidanylidene-3,4-dihydropyrrol-2-yl]methyl]-4-methyl-1~{H}-pyrrol-3-yl]pro panoic acid 0.750 79 AX9 Dicys-(15,16)-dihydrobiliverdin 0.750 80 BL8 3-[2-[(z)-[5-[(z)-[(3r,4r)-3-ethenyl-4-methyl-5-oxidanylidene-pyrrolidin-2-ylidene]methyl]-3-(3-hydroxy-3-oxopropyl)-4-methyl-pyrrol-2-ylidene]methyl]-5-[(z)-(4-ethenyl-3-methyl-5-oxidanylidene-pyrrol-2-ylidene)methyl]-4-methyl-1h-pyrrol-3-yl]propanoic acid 0.750 81 DBV 15,16-dihydrobiliverdin 0.750 82 EL5 3-[(2z)-2-({3-(2-carboxyethyl)-5-[(E)-(4-ethenyl-3-methyl-5-oxo-1,5-dihydro-2h-pyrrol-2-ylidene)methyl]-4-methyl-1h-pyrrol-2-yl}methylidene)-5-{(z)-[(3e,4s)-3-ethylidene-4-methyl-5-oxopyrrolidin-2-ylidene]methyl}-4-methyl-2h-pyrrol-3-yl]propanoic acid 0.750 83 KP9 Bilin 618 (single linked) 0.750 84 KPX Bilin 584 (single linked) 0.750 85 KQ6 Bilin 584 (doubly linked) 0.750 86 LBV 3-[2-[(z)-[3-(2-carboxyethyl)-5-[(z)-(4-ethenyl-3-methyl-5-oxidanylidene-pyrrol-2-ylidene)methyl]-4-methyl-pyrrol-1-ium -2-ylidene]methyl]-5-[(z)-[(3e)-3-ethylidene-4-methyl-5-oxidanylidene-pyrrolidin-2-ylidene]methyl]-4-methyl-1h-pyrrol-3- yl]propanoic acid 0.750 87 LBW 3-[2-[(z)-[5-[(z)-(4-ethenyl-3-methyl-5-oxidanylidene-pyrrol-2-ylidene)methyl]-3-(3-hydroxy-3-oxopropyl)-4-methyl-pyrrol-1-ium-2-ylidene]methyl]-5-[(z)-[(3e,4r)-3-ethylidene-4-methyl-5-oxidanylidene-pyrrolidin-2-ylidene]methyl]-4-methyl-1h-pyrrol-3-yl]propanoic acid 0.750 88 M1V Mesobiliverdin ix(alpha) 0.750 89 O6E 3-[5-[[(3~{R},4~{R})-3-ethyl-4-methyl-5-oxidanylidene-3,4-dihydropyrrol-2-yl]methyl]-2-[[5-[(4-ethyl-3-methyl-5-oxidanylidene-pyrrol-2-yl)methyl]-3-(3-hydroxy-3-oxopropyl)-4-methyl-1~{H}-pyrrol-2-yl]methyl]-4-methyl-1~{H}-pyrrol-3-yl]propanoic acid 0.750 90 PVG Phycoviolobilin, green light-absorbing form 0.750 91 PVN Phycoviolobilin 0.750 92 V8U 3-[5-[(4-ethenyl-3-methyl-5-oxidanylidene-pyrrol-2-yl)methyl]-2-[[5-[(3-ethyl-4-methyl-5-oxidanylidene-pyrrol-2-yl)methyl]-3-(3-hydroxy-3-oxopropyl)-4-methyl-1~{H}-pyrrol-2-yl]methyl]-4-methyl-1~{H}-pyrrol-3-yl]propanoic acid 0.750 93 VEA 5-oxa-protoporphyrin ix containing Fe 0.750 94 WUF Benzyl[3,3'-(7,12-diethenyl-3,8,13,17-tetramethylporphyrin-2,18-diyl-kappa~4~N~21~,N~22~,N~23~,N~24~)di(propanoato)(2-)]iron 0.750 95 X2I (15,16)-dihydrobiliverdin (singly linked) 0.750 96 P8X Desmethyl-hba 0.746 97 89R Fluorinated heme 0.741 98 VOV Harderoheme (III) 0.741 99 6HE 6-methy-6-depropionatehemin 0.740 100 0UK 3-[(1r,2r,3r,5r,6s,7r,9z,12s,13s,14z,17s,18s,19r)-2,13,18-tris(2-hydroxy-2-oxoethyl)-3,12,17-tris(3-hydroxy-3-oxopropyl)-3,5,8,8,13,15,18,19-octamethyl-1,2,5,6,7,12,17,22-octahydrocorrin-7-yl]propanoic acid 0.734 101 UPI 3-[(1z,9z)-3,8,13,18-tetrakis(2-hydroxy-2-oxoethyl)-7,12,17-tris(3-hydroxy-3-oxopropyl)-21,23-dihydroporphyrin-2-yl]propanoic acid 0.714 102 3Y8 3-[(1r,2s,3s,7s,11s,16s,17r,18r,19r)-2,7,12,18-tetrakis(2-hydroxy-2-oxoethyl)-3,13-bis(3-hydroxy-3-oxopropyl)-1,2,5,7,11,17-hexamethyl-17-(3-oxidanyl-3-oxidanylidene-prop-1-enyl)-3,6,8,10,15,16,18,19,21,24-decahydrocorrin-8-yl]propanoic acid 0.712 103 WRK [2,18-bis(2-carboxyethyl)-7,12-diethenyl-3,8,13,17-tetramethyl-21-(2-oxo-3-phenylpropyl)porphyrin-21-iumato(2-)-kappa~3~N~22~,N~23~,N~24~]iron(2+) 0.712 104 6CO [3,3'-(7,12-diethenyl-3,8,13,17-tetramethylporphyrin-2,18-diyl-kappa~4~N~21~,N~22~,N~23~,N~24~)di(propanoato)(2-)](phenyl)iron 0.702 105 76R [3,3',3'',3'''-(3,8,13,17-tetramethylporphyrin-2,7,12,18-tetrayl-kappa~4~N~21~,N~22~,N~23~,N~24~)tetra(propanoato)(2-)]manganese 0.702 106 DHE Heme D 0.702 107 FEC 1,3,5,8-tetramethyl-porphine-2,4,6,7-tetrapropionic acid ferrous complex 0.702 108 VER Iron-octaethylporphyrin 0.700