(S)-(-)-benzoic acid [3-[2,5-bis (acetyloxy)-3,4,6-trimethylphenyl]-1-ethynyl-1-methylpropyl] ester 、 (S)-(+)-5-[2,5-bis(acetyloxy)-3,4,6-trimethylphenyl]-3-methyl-1-pentyn-3-ol 生成
(S)-(-)-benzoic acid [3-[2,5-bis(acetyloxy)-3,4,6-trimethylphenyl]-1-ethynyl-1-methylpropyl]ester