1 7Z9 2-azanyl-6-methyl-5-pyridin-4-ylsulfanyl-3h-quinazolin-4-one 1.000 2 TQ3 5-phenylsulfanyl-2,4-quinazolinediamine 0.773 3 JZM 5-[(4-chlorophenyl)sulfanyl]quinazoline-2,4-diamine 0.739 4 TQ4 5-[(4-methylphenyl)sulfanyl]-2,4-quinazolinediamine 0.739