2-pentan-3-ylidene-3-phenyl-1,3-oxazolidine-4,5-dione

二乙基膦酰基乙酸苄酯

N,N'-bis(2-formylphenyl)oxamide

2-异氰酸磺酰基苯甲酸甲酯

草酰氯单烯丙酯