Methyl (1e)-n-[methyl-[methyl-[4-[2-[4-[methyl-[methyl-[(e)-1-methylsulfanylethylideneamino]oxycarbonylamino]sulfanylcarbamoyl]oxyphenyl]propan-2-yl]phenoxy]carbonylamino]sulfanylcarbamoyl]oxyethanimidothioate