乙基2-重氮基丙酸酯

ethyl 2-hydroxy-2-methyl-4-phenylbut-3-ynoate

3,6-dimethyl-1,4-benzoxazin-2-one

6-methyl-5-nitroimidazo[2,1-b][1,3]thiazole

ethyl 2-hydroxy-2-methyl-3-(5-nitroimidazo[2,1-b]thiazol-6-yl)propanoate