72017-55-1 BENZOIC ACID, p-(6-(4-(2-CHLOROETHYL)PIPERAZINYL)-2,4-DIAMINO-5-PYRIMIDINYL)AZO- Benzoic acid, p-(6-(4-(2-chloroethyl)piperazinyl)-2,4-diamino-5-pyrimidinyl)azo-, ethyl ester, hydrochloride, dihydrate