1 COB Co-methylcobalamin 1.000 2 B12 Cobalamin 0.989 3 CNC Cyanocobalamin 0.989 4 SF0 [5-(5,6-dimethyl-1h-benzimidazol-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl 1-{3-[3,14,19-tris(2-amino-2-oxoethyl)-8,13,18-tris(3-amino-3-oxopropyl)-1,4,6,9,9,14,16,19-octamethyl-20,21,22,23-tetraazapentacyclo[15.2.1.1~2,5~.1~7,10~.1~12,15~]tricosa-5(23),6,10,12(21),15,17(20)-hexaen-4-yl-kappa~4~N~20~,N~21~,N~22~,N~23~]propanamido}propan-2-yl hydrogenato phosphate]rhodium (non-preferred name) 0.968 5 B13 5-hydroxybenzimidazolylcob(III)amide 0.957 6 HCB 5-hydroxybenzimidazolylcobamide 0.957 7 I2A Hydroxocobalamin 0.957 8 B1M Co-5-methoxybenzimidazolylcobamide 0.947 9 9QQ 6-hydroxybenzimidazolyl-norcobamide 0.946 10 A1BEZ Ethynyl-N-ethylpropiolamide-cobalamin 0.939 11 OBL 5-methoxybenzimidazolyl-norcobamide 0.936 12 A1BER Ethynyl-3-methylbenzene-cobalamin 0.920 13 A1BES Ethynyl-4-methoxybenzene-cobalamin 0.911 14 A1BEN Ethynyl-4-nitrobenzene-cobalamin 0.902 15 A1BET Ethynyl-benzothiophene-cobalamin 0.902 16 A1BEY Ethynyl-N-phenylpropiolamide-cobalamin 0.902 17 A1BEX Ethynyl-benzofuran-cobalamin 0.893 18 BVQ Norpseudo-b12 0.885 19 A1BEU Ethynyl-4,1'-biphenyl-cobalamin 0.876 20 A1BI7 Naphthalen-2-yl 3-[(3~{R},4~{R},5~{R},9~{S},14~{S},15~{S},19~{S},20~{S},21~{R})-4,15,20-tris(2-azanyl-2-oxidanylidene-ethyl)-9,14,19-tris(3-azanyl-3-oxidanylidene-propyl)-5-[3-[[(2~{R})-2-[[(2~{R},3~{S},4~{R},5~{S})-5-(5,6-dimethylbenzimidazol-1-yl)-2-(hydroxymethyl)-4-oxidanyl-oxolan-3-yl]oxy-oxidanyl-phosphoryl]oxypropyl]amino]-3-oxidanylidene-propyl]-5,7,10,10,15,17,20,21-octamethyl-22-aza-2,23,24-triazonia-1$L^{5}-cobaltaoctacyclo[11.9.1.1^{1,8}.0^{2,6}.0^{3,21}.0^{16,23}.0^{18,22}.0^{11,24}]tetracosa-2(6),7,11(24),12,16(23),17-hexaen-1-yl]prop-2-ynoate 0.868 21 COY Co-(adenin-9-yl-pentyl)-cobalamin 0.868 22 A1BE0 Ethynyl-4-(4-phenyl-2,3,4-triazole)-propanamine-cobalamin 0.852 23 A1BEW Ethynyl-pyrene-cobalamin 0.844 24 A1BE1 Ethynyl-4-(4-phenyl-2,3,4-triazole)-guanidinium-cobalamin 0.836 25 B1Z Adenosylcobalamin 0.827 26 CBY Cob(II)inamide 0.720