1-(2-Methoxyphenyl)-2-methyl-4(3H)-quinazolinonium perchlorate 3,4-Dihydro-1-(2-methoxyphenyl)-2-methyl-4-oxoquinazolinium perchlorate Quinazolinium, 3,4-dihydro-1-(2-methoxyphenyl)-2-methyl-4-oxo-, perchlorate VA2187500