6-chloro-5-(imidazolidin-2-ylideneamino)-2-methylpyrimidin-4-ol;6-Chloro-5-[(4,5-dihydro-1H-imidazol-2-yl)amino]-2-methyl-4(1H)-pyrimidinone;
6-chloro-5-(imidazolidin-2-ylideneamino)-2-methylpyrimidin-4-ol;6-Chloro-5-[(4,5-dihydro-1H-imidazol-2-yl)amino]-2-methyl-4(1H)-pyrimidinone;