Tetradecanoic acid (4aR,6R,7R,8R,8aS)-6-benzyloxy-2,2-dimethyl-7-(3-tetradecanoyloxy-tetradecanoylamino)-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yl ester 生成 [(4aR,7R,8R,8aS)-6-hydroxy-2,2-dimethyl-7-(3-tetradecanoyloxytetradecanoylamino)-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-8-yl] tetradecanoate