4-甲基-5-(beta-羟乙基)噻唑

5-(2-乙氧基乙基)-4-甲基噻唑

3-氯-5-乙氧基-2-戊酮

2-(2-ethoxy-ethyl)-2-chloro-acetoacetic acid ethyl ester

3-氯-4-氧-1-戊醇