66952-49-6 BRN 2219123 Carbamothioic acid, methyl-, S-(4-((methylsulfonyl)oxy)phenyl) ester Kayabest Methasulfocarb Methylcarbamothioic acid S-(4-((methylsulfonyl)oxy)phenyl) ester NK-191 S-(4-Methylsulfonyloxyphenyl)-N-methylthiocarbamate