苄基2,3-二乙酰氧基-1-哌啶羧酸酯

α,β-diacetoxy-N-(methoxycarbonyl)piperidine

methyl 3-acetyloxy-2-hydroxypiperidine-1-carboxylate

4,4'-氧代二丁基二乙酸酯

acetic acid,4-methylpent-3-en-1-ol