Acetic acid, dichloro-, 5-[(dichloroacetyl)amine]-2,4-bis[[4-[[(2,6-dimethyl-4-pyrimidinyl)amino]sulfonyl]phenyl]azo]-1-naphthalenyl ester, compd. with 4-[(4-imino-3-methyl-2,5-cyclohexadien-1-ylidene)(3-methylphenyl)methyl]-2-methylbenzenamine monohydrochloride (1:1) NSC323724