上游原料
1-ethanethiol; ethylhydrosulfide2-(ethylthio)ethanol；2-hydroxyethyl ethyl sulfide2-methyl-5-nitro-1H-imidazole; 2-methyl-5-nitroimidazole1-(2-(ethylthio)ethyl)-2-methyl-5-nitro-1H-imidazole2-(ethylthio)ethanol；2-hydroxyethyl ethyl sulfide2-methyl-5-nitro-1H-imidazole; 2-methyl-5-nitroimidazole1-(2-(ethylthio)ethyl)-2-methyl-5-nitro-1H-imidazole2-(2-methyl-5-nitro-1H-imidazol-1-yl)-1-ethanol1-(2-bromoethyl)-2-methyl-5-nitro-1H-imidazole1-(2-(ethylthio)ethyl)-2-methyl-5-nitro-1H-imidazole
