1	BLV	Biliverdin ix gamma chromophore	1.000
2	PP9	Protoporphyrin ix	0.932
3	BW9	Chromium protoporphyrin ix	0.911
4	COH	Protoporphyrin ix containing co	0.911
5	CV0	Mesoporphyrin ix containing RH	0.911
6	GIX	Protoporphyrin ix containing ga	0.911
7	HEB	Heme B/C	0.911
8	HEC	Heme C	0.911
9	HEG	Protoporphyrin ix containing Mg	0.911
10	HEM	Protoporphyrin ix containing Fe	0.911
11	HES	Zinc substituted heme C	0.911
12	HNI	Protoporphyrin ix containing ni(II)	0.911
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	0.911
14	MH0	Mesoheme	0.911
15	MNH	Manganese protoporphyrin ix	0.911
16	MNR	Protoporphyrin ix containing Mn	0.911
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	0.911
18	ZNH	Protoporphyrin ix containing Zn	0.911
19	HCO	2-acetyl-protoporphyrin ix	0.891
20	ZEM	20-oxo-protoporphyrin ix containing Zn(II)	0.891
21	522	Peroxidized heme	0.872
22	DDH	[7,12-deacetyl-3,8,13,17-tetramethyl-21h,23h-porphine-2,18-dipropanoato(2-)-n21,n22,n23,n24]-iron	0.872
23	HEV	5,8-dimethyl-1,2,3,4-tetravinylporphine-6,7-dipropionic acid ferrous complex	0.872
24	HP5	Peroxidized heme form 2	0.872
25	CCH	[7-ethenyl-12-formyl-3,8,13,17-tertramethyl-21h,23h-porphine-2,18-dipropanoato(2)-n21,n22,n23,n24]iron	0.870
26	HFM	2-formyl-protoporphryn ix	0.870
27	FDD	Fe(III) 2,4-dimethyl deuteroporphyrin ix	0.867
28	89R	Fluorinated heme	0.854
29	N7H	Delta-meso nitroheme	0.854
30	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	0.854
31	DE9	3,3'-(3,7,12,17-tetramethylporphyrin-2,18-diyl)dipropanoic acid	0.841
32	H02	N-methyl protoporphyrin ix 2,4-disulfonic acid	0.830
33	MMP	N-methylmesoporphyrin	0.830
34	6HE	6-methy-6-depropionatehemin	0.822
35	7HE	7-methyl-7-depropionatehemin	0.822
36	DEU	Co(III)-(deuteroporphyrin ix)	0.822
37	FDE	Fe(III) deuteroporphyrin ix	0.822
38	MD9	Magnesium deuteroporphyrin ix	0.822
39	ZND	Zinc (II) deuteroporphyrin ix	0.822
40	CP3	Coproporphyrinogen III	0.820
41	HT9	Coproporphyrin III	0.820
42	CLN	Sulfur substituted protoporphyrin ix	0.812
43	FMI	Fe-(4-mesoporphyrinone)-R-isomer	0.812
44	HIF	Fe(III)-(4-mesoporphyrinone)	0.812
45	MI9	Oxomolybdenum mesoporphyrin ix	0.812
46	MP1	N-methylmesoporphyrin containing copper	0.812
47	1FH	12-phenylheme	0.804
48	2FH	2-phenylheme	0.804
49	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	0.804
50	HDM	Dimethyl propionate ester heme	0.796
51	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	0.788
52	VOV	Harderoheme (III)	0.780
53	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+)	0.745
54	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	0.736
55	DHE	Heme D	0.736
56	FEC	1,3,5,8-tetramethyl-porphine-2,4,6,7-tetrapropionic acid ferrous complex	0.736
57	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	0.725
58	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	0.722
59	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	0.722
60	6KI	Co-octaethylporphyrin	0.714
61	7KI	Co-5-octaethyloxaporphyrinium cation	0.714
62	HE5	Zinc(II)-deuteroporphyrin dimethylester	0.714
63	H01	Protoporphyrin ix 2,4-disulfonic acid	0.712
64	HDE	Cis-heme D hydroxychlorin gamma-spirolactone 17r, 18s	0.706
65	HKL	Fe(III) pyropheophorbide-a methyl ester	0.700