(5,6-diethyl-7-methoxy-1-methylindol-4-yl) acetate

(7-methoxy-1-methyl-5,6-diphenylindol-4-yl) acetate

(5-butyl-7-methoxy-1-benzothiophen-4-yl) acetate

ethyl 2-acetyl-3-ethoxybut-2-enoate

5-[(乙酰氧基)甲基]-2-呋喃羧酸乙酯