tert-butyl (2S,3S)-3-((N-(tert-butoxycarbonyl)-4-methylphenyl)sulfonamido)-2-phenylpiperidine-1-carboxylate

2-[hydroxy(phenyl)methyl]-2H-furan-5-one

苯甲醛

N-benzylidenediphenylphosphinamide