25-hydroxyvitamin D3 、
FMOC-beta-丙氨酸 生成 [(1S,3Z)-3-[(2E)-2-[(1R,3aS,7aR)-1-[(2S)-6-hydroxy-6-methylheptan-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexyl] 3-(9H-fluoren-9-ylmethoxycarbonylamino)propanoate