1	PC3	Coproporphyrin I containing co(III)	1.000
2	1CP	Coproporphyrinogen I	0.980
3	CP3	Coproporphyrinogen III	0.830
4	HT9	Coproporphyrin III	0.830
5	FEC	1,3,5,8-tetramethyl-porphine-2,4,6,7-tetrapropionic acid ferrous complex	0.815
6	COH	Protoporphyrin ix containing co	0.804
7	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	0.787
8	7HE	7-methyl-7-depropionatehemin	0.760
9	7J8	3-[4-(2-hydroxy-2-oxoethyl)-5-[[4-(2-hydroxy-2-oxoethyl)-5-[[4-(2-hydroxy-2-oxoethyl)-5-[[4-(2-hydroxy-2-oxoethyl)-3-(3-hydroxy-3-oxopropyl)-5-methyl-1~{H}-pyrrol-2-yl]methyl]-3-(3-hydroxy-3-oxopropyl)-1~{H}-pyrrol-2-yl]methyl]-3-(3-hydroxy-3-oxopropyl)-1~{H}-pyrrol-2-yl]methyl]-1~{H}-pyrrol-3-yl]propanoic acid	0.758
10	DEU	Co(III)-(deuteroporphyrin ix)	0.725
11	J1R	(1r,19r) cobalt tetradehydrocorrin	0.717
12	J1S	(1s,19s) cobalt tetradehydrocorrin	0.717
13	PP9	Protoporphyrin ix	0.717
14	OBV	12,18-didecarboxy-siroheme	0.710
15	VER	Iron-octaethylporphyrin	0.706
16	BW9	Chromium protoporphyrin ix	0.704
17	CV0	Mesoporphyrin ix containing RH	0.704
18	GIX	Protoporphyrin ix containing ga	0.704
19	H02	N-methyl protoporphyrin ix 2,4-disulfonic acid	0.704
20	HEB	Heme B/C	0.704
21	HEC	Heme C	0.704
22	HEG	Protoporphyrin ix containing Mg	0.704
23	HEM	Protoporphyrin ix containing Fe	0.704
24	HES	Zinc substituted heme C	0.704
25	HNI	Protoporphyrin ix containing ni(II)	0.704
26	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	0.704
27	MH0	Mesoheme	0.704
28	MMP	N-methylmesoporphyrin	0.704
29	MNH	Manganese protoporphyrin ix	0.704
30	MNR	Protoporphyrin ix containing Mn	0.704
31	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	0.704
32	ZNH	Protoporphyrin ix containing Zn	0.704
33	UP2	Uroporphyrinogen III	0.703
34	UP3	3,3',3'',3'''-[3,8,13,17-tetrakis(carboxymethyl)porphyrin-2,7,12,18-tetrayl]tetrapropanoic acid	0.703