5-(3,4-Dimethoxyphenyl)-2-((2-phenylethyl)thio)-6,7,8,9-tetrahydropyrimido[4,5-b]quinolin-4-amine 5-(3,4-Dimethoxyphenyl)-2-((2-phenylethyl)thio)-6,7,8,9-tetrahydropyrimido[4,5-b]quinolin-4-ylamine AIDS-144469 AIDS144469 NSC667083