135488-99-2 8-(Propylthio)isothiazolo(4',3':4,5)thieno(3,2-d)-1,2,3-triazin-4(1H)-one BRN 4262849 Isothiazolo(4',3':4,5)thieno(3,2-d)-1,2,3-triazin-4(1H)-one, 8-(propylthio)-