5-(4-methoxyphenyl)sulfanylquinazoline-2,4-diamine 5-[(4-methoxyphenyl)thio]quinazoline-2,4-diamine [2-amino-5-[(4-methoxyphenyl)thio]quinazolin-4-yl]amine 5-(4-Methoxyphenylthio)quinazoline-2,4-diamine AIDS-032369 AIDS032369