3,5-Dimethyl-1-(methylthio)-3.lambda.~5~-[1,2,4]triazolo[4,5-a]quinoline 3,5-Dimethyl-3.lambda.~5~-[1,2,4]triazolo[4,5-a]quinolin-1-yl methyl sulfide 35356-62-8 AIDS-126273 AIDS126273 NSC103138