1H-Pyrazole-3-carboxylic acid, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl)azo]-, reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derivs.
4,5-二氢-5-氧代-1-(4-磺苯基)-4-[(4-磺苯基)偶氮]-1H-吡唑-3-羧酸与N,N'-双(混合苯基、甲苯基和二甲苯基)胍盐酸盐衍生物的反应产物