phenyl-(9-phenylfluoren-9-yl)methanone

3-羟基-3,3-二(苯基)丙酸

ethyl 5-hydroxy-3-oxo-5,5-diphenylpentanoate

3-羟基-3,3-二苯基丙酸乙酯

N-丙-2-基丙-2-亚胺