3-((Dimethylamino)methyl)-4(3H)-quinazolinone dihydrochloride 4(3H)-Quinazolinone, 3-((dimethylamino)methyl)-, 2HCl 4(3H)-Quinazolinone, 3-((dimethylamino)methyl)-, dihydrochloride 75159-39-6