甲醇

Benzoin-p-methoxyphenylsulfonester

(3S,3aR,4S,6aR,9S,9aR,9bR)-4-hydroxy-3-(((4-methoxyphenyl)thio)methyl)-9-methyl-6-methyleneoctahydroazuleno[4,5-b]furan-2,8(3H,9bH)-dione

乙醇

4-甲氧基苯磺酰氯