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

promexalx50preservative ; 2-methyl-5,6-dihydro-2h-cyclopenta[d]isothiazol-3(4h)-one ; 2h-cyclopentdisothiazol-3(4h)-one, 5,6-dihydro-2-methyl- ; 7-methyl-8-thia-7-azabicyclo[3.3.0]oct-9-en-6-one ; 2,3,5,6-tetrahydro-2-methyl-2h-cyclopenta[d]-1,2-thiazol-3-one ; 2-methyl-4,5-trimethylene-4-isothiazolin-3-one ; 2-methyl-5,6-dihydro-4h- cyclopenta[d]isothiazol-3(2h)-one ; 5,6-dihydro-2-methyl-2h-cyclopent[d]isothiazol-3(4h)-one