1,3(2H,4H)-Isoquinolinedione, 4,4-dimethyl-2-(2-(methylthio)ethyl)- 4,4-Dimethyl-2-(2-(methylthio)ethyl)-1,3(2H,4H)-isoquinolinedione 4,4-Dimethyl-2-(2-methylmercaptoethyl)-2H,4H-isoquinoline-1,3-dione 70007-63-5