1	HEA	Heme-a	1.000
2	HEO	Heme O	0.983
3	A1L6M	3-[5-[(~{z})-(3-ethyl-4-methyl-5-oxidanylidene-pyrrol-2-ylidene)methyl]-2-[(~{z})-[4-(hydroxymethyl)-3-(3-hydroxy-3-oxopropyl)-5-[(~{z})-[3-methyl-5-oxidanylidene-4-[(1~{S},4~{E},8~{z})-5,9,13-trimethyl-1-oxidanyl-tetradeca-4,8,12-trienyl]pyrrol-2-ylidene]methyl]pyrrol-2-ylidene]methyl]-4-methyl-1~{H}-pyrrol-3-yl]propanoic acid	0.935
4	HAS	Heme-as	0.923
5	HCO	2-acetyl-protoporphyrin ix	0.733
6	DDH	[7,12-deacetyl-3,8,13,17-tetramethyl-21h,23h-porphine-2,18-dipropanoato(2-)-n21,n22,n23,n24]-iron	0.721
7	CCH	[7-ethenyl-12-formyl-3,8,13,17-tertramethyl-21h,23h-porphine-2,18-dipropanoato(2)-n21,n22,n23,n24]iron	0.717
8	HEB	Heme B/C	0.717
9	HEC	Heme C	0.717
10	HEM	Protoporphyrin ix containing Fe	0.717
11	HFM	2-formyl-protoporphryn ix	0.717
12	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
13	MH0	Mesoheme	0.717
14	PP9	Protoporphyrin ix	0.700