S-phenyl 2-aminobenzenecarbothioate

3-phenyl-2H,6H-[1,3,4]thiadiazino[2,3-b]quinazolin-6-one

3,4-dihydro-3-[(S)-α-methylbenzyl]-4-quinazolinone

2-tert-butyl-3-phenyl-2,3-dihydro-4(1H)-quinazolinone