61554-92-5 Pseudourea, 2-((3,4-dihydro-3-(5-nitro-o-tolyl)-4-oxoquinazolin-2-yl)methyl)-2-thio-, monohydrobromide S-(3-(5-Nitro-o-tolyl)-4(3H)-oxoquinazolin-2-ylmethyl)thiouronium bromide