104679-67-6 2-(5-Methylthien-3-yl)-2,5-dihydro-3H-pyrazolo(4,3-c)quinolin-3-one 3H-Pyrazolo(4,3-c)quinolin-3-one, 2,5-dihydro-2-(5-methyl-3-thienyl)- S 135 S-135