4-氯乙酰乙酸乙酯

N-甲基硫脲

1,2-二氯乙烷

2-N-acetylamino-N-methyl-4-methylthiazole-5-carboxylic acid ethyl ester

2-氨基-4-甲基噻唑-5-甲酸乙酯