1	1CP	Coproporphyrinogen I	1.000
2	PC3	Coproporphyrin I containing co(III)	0.980
3	CP3	Coproporphyrinogen III	0.846
4	HT9	Coproporphyrin III	0.846
5	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	0.830
6	FEC	1,3,5,8-tetramethyl-porphine-2,4,6,7-tetrapropionic acid ferrous complex	0.830
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	0.800
8	7HE	7-methyl-7-depropionatehemin	0.776
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	0.770
10	PP9	Protoporphyrin ix	0.731
11	OBV	12,18-didecarboxy-siroheme	0.721
12	BW9	Chromium protoporphyrin ix	0.717
13	COH	Protoporphyrin ix containing co	0.717
14	CV0	Mesoporphyrin ix containing RH	0.717
15	GIX	Protoporphyrin ix containing ga	0.717
16	H02	N-methyl protoporphyrin ix 2,4-disulfonic acid	0.717
17	HEB	Heme B/C	0.717
18	HEC	Heme C	0.717
19	HEG	Protoporphyrin ix containing Mg	0.717
20	HEM	Protoporphyrin ix containing Fe	0.717
21	HES	Zinc substituted heme C	0.717
22	HNI	Protoporphyrin ix containing ni(II)	0.717
23	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	0.717
24	MH0	Mesoheme	0.717
25	MMP	N-methylmesoporphyrin	0.717
26	MNH	Manganese protoporphyrin ix	0.717
27	MNR	Protoporphyrin ix containing Mn	0.717
28	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	0.717
29	ZNH	Protoporphyrin ix containing Zn	0.717
30	UP2	Uroporphyrinogen III	0.714
31	UP3	3,3',3'',3'''-[3,8,13,17-tetrakis(carboxymethyl)porphyrin-2,7,12,18-tetrayl]tetrapropanoic acid	0.714
32	6HE	6-methy-6-depropionatehemin	0.706
33	HCO	2-acetyl-protoporphyrin ix	0.704
34	MP1	N-methylmesoporphyrin containing copper	0.704
35	ZEM	20-oxo-protoporphyrin ix containing Zn(II)	0.704
36	UFE	Fe(III) uroporphyrin	0.703
37	VER	Iron-octaethylporphyrin	0.700