上游原料
benzylhydrosulfide; phenylmethanethiol2-nitroterephthalic aciddiisopropyl 2-nitroterephthalatediisopropyl 2-(benzylsulfanyl)terephthalate2-(benzylsulfanyl)terephthalic acid3-(benzylsulfanyl)benzoyl chloride11-oxo-6,11-dihydrodibenzo[b,e]thiepine-3-carbonyl chloride3-(2-diazoacetyl)dibenzo[b,e]thiepin-11(6H)-onemethyl 2-(11-oxo-6,11-dihydrodibenzo[b,e]thiepin-3-yl)acetate