1 4YT 1-ethyl-8-methoxy-5-methyl[1,2,4]triazolo[4,3-a]quinoline 1.000 2 5SN 1,5-dimethyl-[1,2,4]triazolo[4,3-a]quinoline 0.833 3 X8D 5-methyl[1,2,4]triazolo[4,3-a]quinolin-1(2h)-one 0.737