128667-95-8 2(1H)-Quinolinone, 6-(3-(((3,4-dimethoxyphenyl)methyl)amino)-2-hydroxypropoxy)- 6-(3-(((3,4-Dimethoxyphenyl)methyl)amino)-2-hydroxypropoxy)-2(1H)-quinolinone 6-(3-(3,4-Dimethoxybenzylamino)-2-hydroxypropoxy)carbostyril BRN 5455092 OPC-18790 torborinone