1-Morpholinoacetyl-2-methyl-3-phenyl-4-oxo-1,2,3,4-tetrahydroquinazoline hydrochloride 19395-74-5 2,3-Dihydro-2-methyl-1-(morpholinylacetyl)-3-phenyl-4(1H)-quinazolinone, monohydrochloride 20866-13-1 HQ 275 HQ-275