2-(4-fluorophenyl)-4,8-dimesityl-6,6-dimethyl-1-oxa-4,8-diazaspiro[2.5]octane-5,7-dione

(E)-2-benzyl-3-(4-methoxyphenyl)oxoaziridine

4-溴苯甲醚

乙醇

N,N-二甲基甲酰胺