p. 85 - 88
(2007/10/03)acetic anhydride
(3S,4S,4aR,6aR,6bS,8aR,9R,12aS,14aR,14bR)-9-Benzyloxy-4-benzyloxymethyl-4,6a,6b,8a,11,11,14b-heptamethyl-1,2,3,4,4a,5,6,6a,6b,7,8,8a,9,10,11,12,12a,14,14a,14b-icosahydro-picen-3-ol
benzaldehyde dimethyl acetal
C44H60O3
soyasapogenol B