基本解释异长叶烯同根派生 isolongifolene相关词英汉例句Acetyl-isolongifolene was prepared by C-acetylation reaction with isolongifolene and acetic anhydride.以异长叶烯和醋酐为原料,经乙酰化反应合成乙酰基异长叶烯。isolongifolene更多例句