(1alpha,3beta,5Z,7E,22E)-9,10-Secoergosta-5,7,10(19),22-tetraene-1,3,24,25-tetrol 1,24,25-Trihydroxyergocalciferol 1,24,25-Trihydroxyvitamin D2 100496-04-6 9,10-Secoergosta-5,7,10(19),22-tetraene-1,3,24,25-tetrol, (1alpha,3beta,5Z,7E,22E)-