上游原料
Benzenethiol; Phenylmercaptan; Phenylhydrosulfide4-methyl-3-penten-2-one4-methyl-4-(phenylsulfanyl)-2-pentanone2,4-dimethyl-4-(phenylsulfanyl)-2-pentanol2,2,4,4-tetramethylthiochromane2,2,4,4-tetramethyl-6-nitrothiochromane2,2,4,4-tetramethyl-6-thiochromanamine; 2,2,4,4-tetramethyl-3,4-dihydro-2H-thiochromen-6-ylamine4-acetylbenzoyl chloride