133181-02-9
3-hydroxy-2-methylene-pentanoic acid methyl ester
+
108-24-7
乙酸酐
→
159999-59-4
methyl 3-acetyloxy-2-methylidenepentanoate
75-36-5
乙酰氯
1038998-72-9
(E)-2-((2-羟基-4,4-二甲基-6-氧代-1-环己烯)甲基)-2-戊酸甲酯
16957-70-3
草莓酸