((4-Oxo-2,5-cyclohexadien-1-ylidene)amino)guanidine oxime 76567-36-7 Guanidine, ((4-oxo-2,5-cyclohexadien-1-ylidene)amino)-, oxime Hydrazinecarboximidamide, 2-(4-(hydroxyimino)-2,5-cyclohexadien-1-ylidene)- Quinone oxime guanylhydrazone