2-(2-(3,4-Dimethoxyphenyl)vinyl)-1-methyl-1.lambda.~5~-quinoline AIDS-125552 AIDS125552 NSC75805 Quinolinium, 2-(3,4-dimethoxystyryl)-1-methyl- iodide Quinolinium, {2-[2-(3,4-dimethoxyphenyl)ethenyl]-1-methyl-,} iodide