4-methoxy-4-methyl-1,1,1-trichloro-3-buten-2-one

2-氯-2-(苯基亚肼基)乙酸乙醚

乙酰亚磷酸二乙酯

ethyl 2-diazo-4-phenyl-3-pentenoate

1-苯基氨基脲