2,4-Diamino-6-(2'-naphthyl)sulfonylquinazoline 2,4-Diamino-6-(2-naphthalenylsulfonyl)quinazoline 2,4-Diamino-6-(2-naphthyl-sulfonyl)-quinazoline 2,4-Quinazolinediamine, 6-(2-naphthalenylsulfonyl)- 5-25-13-00133 (Beilstein Handbook Reference) 51123-83-2 BRN 0763154 NSC 157388 WR 158122 WR-158,122