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4,5-Dihydro-5-oxo-1-(4-sulfophenyl)-4-[2-(4-sulfophenyl)diazenyl]-1H-pyrazole-3-carboxylic acid reaction products with guanidine hydrochloride N,N'-bis(mixed Ph, tolyl and xylyl) derivsCAS NO.: 71077-14-0
(4-(Bis(4-(dimethylamino)phenyl)methylene)-2,5-cyclohexadien-1-ylidene)dimethylammonium acetate CAS NO.: 67939-65-5
Xanthylium, 9-(2-(ethoxycarbonyl)phenyl)-3,6-bis(ethylamino)-2,7-dimethyl-, salt with 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-((4-sulfophenyl)azo)-1H-pyrazole-3-carboxylic acid (3:1) CAS NO.: 65138-66-1
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9-(2-carboxyphenyl)-3,6-bis(diethylamino)xanthylium acetate CAS NO.: 64381-99-3