2-((3,4-Dihydro-4-oxo-3-o-tolylquinazolin-2-yl)methyl)-2-thiopseudourea monohydrobromide 61554-89-0 Pseudourea, 2-((3,4-dihydro-4-oxo-3-o-tolylquinazolin-2-yl)methyl)-2-thio-, monohydrobromide S-3-(o-Tolyl)-4(3H)-oxoquinazolin-2-ylmethylthiouronium bromide