20207-16-3
2-氨基-3-氧代-丁酸乙酯盐酸盐
→
61152-00-9
ethyl 2-cyclohexyl-5-methyl-1,3-oxazole-4-carboxylate
5408-04-8
2-(羟亚氨基)乙酰乙酸乙酯
2719-27-9
环己甲酰氯
61151-95-9
ethyl 2-(cyclohexanecarbonylamino)-3-oxobutanoate