1 3Y8 3-[(1r,2s,3s,7s,11s,16s,17r,18r,19r)-2,7,12,18-tetrakis(2-hydroxy-2-oxoethyl)-3,13-bis(3-hydroxy-3-oxopropyl)-1,2,5,7,11,17-hexamethyl-17-(3-oxidanyl-3-oxidanylidene-prop-1-enyl)-3,6,8,10,15,16,18,19,21,24-decahydrocorrin-8-yl]propanoic acid 1.000 2 0UK 3-[(1r,2r,3r,5r,6s,7r,9z,12s,13s,14z,17s,18s,19r)-2,13,18-tris(2-hydroxy-2-oxoethyl)-3,12,17-tris(3-hydroxy-3-oxopropyl)-3,5,8,8,13,15,18,19-octamethyl-1,2,5,6,7,12,17,22-octahydrocorrin-7-yl]propanoic acid 0.910 3 COJ Hydrogenobyrinic acid 0.910 4 F0L Nickel-sirohydrochlorin 0.910 5 F0X Cobalt-sirohydrochlorin 0.910 6 P8X Desmethyl-hba 0.896 7 8F5 3-[(1~{R},2~{S},3~{S},4~{z},7~{S},8~{S},9~{z},15~{R},17~{R},18~{R},19~{R})-2,7,18-tris(2-hydroxy-2-oxoethyl)-3,13,17-tris(3-hydroxy-3-oxopropyl)-1,2,7,12,12,15,17-heptamethyl-5-prop-2-enyl-3,8,15,18,19,21-hexahydrocorrin-8-yl]propanoic acid 0.884 8 A1IFT Hydrogenobyrinic acid a,C-diamide 0.855 9 OBV 12,18-didecarboxy-siroheme 0.821 10 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 0.761 11 CP3 Coproporphyrinogen III 0.712 12 HT9 Coproporphyrin III 0.712 13 FEC 1,3,5,8-tetramethyl-porphine-2,4,6,7-tetrapropionic acid ferrous complex 0.701