pyridin-2-yl (Z)-2-methyl-N-(pyridin-3-yl)butanimidothioate

3-甲基-2-氧基戊酸

3-Methyl-2-triethylsiloxy-2-pentennitril

(5Xi,18alpha,22beta)-22-{[(2S)-2-甲基丁酰基]氧基}-3-氧代齐墩果-12-烯-28-酸

仲丁基氯化镁