Synonyms: 8-Butoxy-1-methyl-1,2,3,4-tetrahydropyrimido(1,2-a)benzimidazole;Pyrimido(1,2-a)benzimidazole, 1,2,3,4-tetrahydro-8-butoxy-1-methyl-, methanesulfonate;8-butoxy-1-methyl-3,4-dihydro-2H-pyrimido[1,2-a]benzimidazole; methanesulfonic acid;AC1Q4GSR;AC1MI246;LS-136081;79513-65-8