(1alpha,3beta,5Z,7E,22E,24Epsilon)-9,10-secoergosta-5,7,10(19),22-tetraene-1,3,24-triol 1,24(S)-Dihydroxyvitamin D2 1,24-Dihydroxyvitamin D2 124043-51-2 9,10-Secoergosta-5,7,10(19),22-tetraene-1,3,24-triol, (1alpha,3beta,5Z,7E,22E,24epsilon)-