5-hydroxy-3-oxo-5-phenyl-pent-4-enoic acid ethyl ester

(2-甲基-1-氮丙啶基)(苯基)甲酮

methyl 3,5-dioxo-5-phenylpentanoate

1-苯甲酰-1H-苯并三唑

三甲基硅烷基乙烯酮