PROMEXALX50PRESERVATIVE

2-methyl-4,5-trimethylene-4-isothiazolin-3-one

5,6-dihydro-2-methyl-2H-Cyclopent[d]isothiazol-3(4H)-one

2H-Cyclopentdisothiazol-3(4H)-one, 5,6-dihydro-2-methyl-

2-Methyl-5,6-dihydro-4H- cyclopenta[d]isothiazol-3(2H)-one

2,3,5,6-tetrahydro-2-methyl-2H-cyclopenta[d]-1,2-thiazol-3-one