Ethyl 5-(2-acetoxyethyl)-2-amino-4-methylthiophene-3-carboxylate

5-(2-乙酰氧基乙基)-4-甲基噻吩-3-羧酸乙酯

3-氯-4-氧-1-戊醇

3-乙酰丙基乙酸酯

Ethyl 6-acetoxy-2-cyano-3-methyl-4-chlorohex-2-enoate