3-(4-amino-2-methyl-pyrimidin-5-ylmethyl)-1-(2-chloro-ethyl)-1-nitroso-urea, Nimustina, NIMUSTINE, Nimustin, Nimustinum [INN-Latin], 1-(2-chloro-ethyl)-3-(4-amino-2-methyl-5-pyrimidinyl)methyl-1-nitrosourea, Nimustina [INN-Spanish], Nimustine [INN], 1-(2-chloroethyl)-1-nitroso-3-[(2-methyl-4-aminopyrimidine-5-yl)methyl]urea, Nimustinum, 3-[(4-amino-2-methylpyrimidin-5-yl)methyl]-1-(2-chloroethyl)-1-nitrosourea