2-Methyl-4-isothiazoline-3-one2682-20-4100 % similar 2-Methyl-4-isothiazolin-3-one hydrochloride26172-54-387 % similar 2-N-Octyl-4-isothiazolin-3-one26530-20-140 % similar Methylchloroisothiazolinone26172-55-439 % similar 1,3-Dimethyluracil874-14-630 % similar