1 GIX Protoporphyrin ix containing ga 1.000 2 PP9 Protoporphyrin ix 0.977 3 BW9 Chromium protoporphyrin ix 0.955 4 COH Protoporphyrin ix containing co 0.955 5 CV0 Mesoporphyrin ix containing RH 0.955 6 H02 N-methyl protoporphyrin ix 2,4-disulfonic acid 0.955 7 HEB Heme B/C 0.955 8 HEC Heme C 0.955 9 HEG Protoporphyrin ix containing Mg 0.955 10 HEM Protoporphyrin ix containing Fe 0.955 11 HES Zinc substituted heme C 0.955 12 HNI Protoporphyrin ix containing ni(II) 0.955 13 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 0.955 14 MH0 Mesoheme 0.955 15 MNH Manganese protoporphyrin ix 0.955 16 MNR Protoporphyrin ix containing Mn 0.955 17 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 0.955 18 ZNH Protoporphyrin ix containing Zn 0.955 19 HCO 2-acetyl-protoporphyrin ix 0.933 20 ZEM 20-oxo-protoporphyrin ix containing Zn(II) 0.933 21 522 Peroxidized heme 0.913 22 DDH [7,12-deacetyl-3,8,13,17-tetramethyl-21h,23h-porphine-2,18-dipropanoato(2-)-n21,n22,n23,n24]-iron 0.913 23 HEV 5,8-dimethyl-1,2,3,4-tetravinylporphine-6,7-dipropionic acid ferrous complex 0.913 24 HP5 Peroxidized heme form 2 0.913 25 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 0.911 26 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 0.911 27 AX9 Dicys-(15,16)-dihydrobiliverdin 0.911 28 BLA Biliverdine ix alpha 0.911 29 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 0.911 30 BLV Biliverdin ix gamma chromophore 0.911 31 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 0.911 32 CCH [7-ethenyl-12-formyl-3,8,13,17-tertramethyl-21h,23h-porphine-2,18-dipropanoato(2)-n21,n22,n23,n24]iron 0.911 33 CYC Phycocyanobilin 0.911 34 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 0.911 35 HFM 2-formyl-protoporphryn ix 0.911 36 IE5 Biliverdine ix alpha 0.911 37 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 0.911 38 PEB Phycoerythrobilin 0.911 39 PUB Phycourobilin 0.911 40 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 0.911 41 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 0.911 42 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 0.911 43 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 0.911 44 VRB Phycoviolobilin, blue light-absorbing form 0.911 45 FDD Fe(III) 2,4-dimethyl deuteroporphyrin ix 0.909 46 N7H Delta-meso nitroheme 0.894 47 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 0.894 48 DE9 3,3'-(3,7,12,17-tetramethylporphyrin-2,18-diyl)dipropanoic acid 0.884 49 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 0.870 50 MMP N-methylmesoporphyrin 0.870 51 6HE 6-methy-6-depropionatehemin 0.864 52 7HE 7-methyl-7-depropionatehemin 0.864 53 DEU Co(III)-(deuteroporphyrin ix) 0.864 54 FDE Fe(III) deuteroporphyrin ix 0.864 55 MD9 Magnesium deuteroporphyrin ix 0.864 56 ZND Zinc (II) deuteroporphyrin ix 0.864 57 CP3 Coproporphyrinogen III 0.857 58 HT9 Coproporphyrin III 0.857 59 CLN Sulfur substituted protoporphyrin ix 0.851 60 FMI Fe-(4-mesoporphyrinone)-R-isomer 0.851 61 HIF Fe(III)-(4-mesoporphyrinone) 0.851 62 MI9 Oxomolybdenum mesoporphyrin ix 0.851 63 MP1 N-methylmesoporphyrin containing copper 0.851 64 J1R (1r,19r) cobalt tetradehydrocorrin 0.848 65 J1S (1s,19s) cobalt tetradehydrocorrin 0.848 66 1FH 12-phenylheme 0.840 67 2FH 2-phenylheme 0.840 68 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 0.837 69 HDM Dimethyl propionate ester heme 0.833 70 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 0.830 71 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 0.830 72 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 0.830 73 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 0.830 74 DBV 15,16-dihydrobiliverdin 0.830 75 KP9 Bilin 618 (single linked) 0.830 76 KPX Bilin 584 (single linked) 0.830 77 KQ6 Bilin 584 (doubly linked) 0.830 78 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 0.830 79 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 0.830 80 M1V Mesobiliverdin ix(alpha) 0.830 81 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 0.830 82 PVG Phycoviolobilin, green light-absorbing form 0.830 83 PVN Phycoviolobilin 0.830 84 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 0.830 85 VEA 5-oxa-protoporphyrin ix containing Fe 0.830 86 X2I (15,16)-dihydrobiliverdin (singly linked) 0.830 87 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 0.824 88 89R Fluorinated heme 0.816 89 VOV Harderoheme (III) 0.816 90 VER Iron-octaethylporphyrin 0.778 91 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+) 0.778 92 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 0.769 93 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 0.769 94 DHE Heme D 0.769 95 V79 Copper;trisodium;18-(2-carboxylatoethyl)-20-(carboxylatomethyl)-12-ethenyl-7-ethyl-3,8,13,17-tetramethyl-17,18-dihydroporphyrin-21,23-diide-2-carboxylate 0.760 96 4HE (4-chlorophenyl)[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 0.755 97 6CQ [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-)](3-methylphenyl)iron 0.755 98 MBV Mesobiliverdin IV alpha 0.755 99 6KI Co-octaethylporphyrin 0.750 100 HE5 Zinc(II)-deuteroporphyrin dimethylester 0.750 101 H01 Protoporphyrin ix 2,4-disulfonic acid 0.745 102 HDE Cis-heme D hydroxychlorin gamma-spirolactone 17r, 18s 0.740 103 OBV 12,18-didecarboxy-siroheme 0.724 104 1CP Coproporphyrinogen I 0.717 105 7KI Co-5-octaethyloxaporphyrinium cation 0.714 106 PC3 Coproporphyrin I containing co(III) 0.704 107 HEO Heme O 0.700 108 HKL Fe(III) pyropheophorbide-a methyl ester 0.700