1	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	1.000
2	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	0.967
3	UP2	Uroporphyrinogen III	0.818
4	UP3	3,3',3'',3'''-[3,8,13,17-tetrakis(carboxymethyl)porphyrin-2,7,12,18-tetrayl]tetrapropanoic acid	0.818
5	UFE	Fe(III) uroporphyrin	0.806
6	ZWW	3-[4-(2-hydroxy-2-oxoethyl)-5-[[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]-3-(3-hydroxy-3-oxopropyl)-1~{H}-pyrrol-2-yl]methyl]-1~{H}-pyrrol-3-yl]propanoic acid	0.800
7	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	0.794
8	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	0.794
9	F0L	Nickel-sirohydrochlorin	0.783
10	F0X	Cobalt-sirohydrochlorin	0.783
11	SIR	Cobalt sirohydrochlorin	0.783
12	SRM	Siroheme	0.783
13	1CP	Coproporphyrinogen I	0.770
14	PC3	Coproporphyrin I containing co(III)	0.758
15	OBV	12,18-didecarboxy-siroheme	0.746