Chemical Name: (5Z,7E)-9,10-Secocholesta-5,7,10(19)-triene-1β,3β,25-triol
Synonym: 1β-calcitriol
Smiles: C[C@]([C@@]1([H])[C@H](C)CCCC(C)(O)C)(CCC/2)[C@](CC1)([H])C2=C\C=C(C[C@@H](O)C[C@H]3O)/C3=C
Inchi: InChI=1S/C27H44O3/c1-18(8-6-14-26(3,4)30)23-12-13-24-20(9-7-15-27(23,24)5)10-11-21-16-22(28)17-25(29)19(21)2/h10-11,18,22-25,28-30H,2,6-9,12-17H2,1,3-5H3/b20-10+,21-11+/t18-,22-,23-,24+,25+,27-/m1/s1