ethyl 2-bromo-4-phenylbutanoate

N-甲基-2-氧代环戊烷甲酰胺

ethyl 2-[(2,2,2-trifluoroacetyl)amino]benzoate

3-氯苯甲亚氨酸乙酯盐酸盐(1:1)

ethyl 4-chlorobenzenecarboximidate