((4-Oxo-2,5-cyclohexadien-1-ylidene)amino)guanidine thiosemicarbazone 1,4-Benzoquinone guanylhydrazone thiosemicarbazone 1-Amidinohydrazono-4-thiosemicarbazono-2,5-cyclohexadiene 4-Amidinohydrazono-2,5-cyclohexadien-1-on-thiosemicarbazon 539-21-9 Ambazon Ambazona [INN-Spanish] Ambazone Ambazonum [INN-Latin] Anginon Benzoquinone guanylhydrazone thiosemicarbazone CCRIS 1926 DC 0572 EINECS 208-713-0 Faringosept Guanidine, ((4-oxo-2,5-cyclohexadien-1-ylidene)amino)-, thiosemicarbazone Guanothiazon Hydrazinecarbothioamide, 2-(4-((aminoiminomethyl)hydrazono)-2,5-cyclohexadien-1-ylidene)- Inversal Iversal Ivertol OAMBAZONE Primal Promassol p-Benzoquinone amidinohydrazone thiosemicarbazone