Nimustine Hydrochloride Nimustine hydrochloride is a hydrochloride obtained by combining nimustine with one equivalent of hydrochloric acid. It is a white to light yellow crystal with the chemical name 1-[(4-amino-2-methyl-5-pyrimidinyl)methyl]-3-(2-chloroethyl)-3-nitrosourea hydrochloride. Nimustine hydrochloride is an antineoplastic drug with a significant effect on malignant brain tumors. The structure is shown in...