上游原料
Benzaldehyde;Benzoic aldehyde;Phenylmethanal1,1-dimethylethyl 1-(5-oxotetrahydro-2-furanyl)-2-phenylethylcarbamate1,1-dimethylethyl 1-[5-oxo-4-(phenylmethylidene)tetrahydro-2-furanyl]-2-phenylethylcarbamate1,1-dimethylethyl 1-[5-oxo-4-(phenylmethyl)tetrahydro-2-furanyl]-2-phenylethylcarbamate5-({[(1,1-dimethylethyl)oxy]carbonyl}amino)-4-hydroxy-6-phenyl-2-(phenylmethyl)hexanoic acid2-amino-N-[2-amino-2-oxo-1-(phenylmethyl)ethyl]-4-methylpentanamide