80983-29-5 Carbamic acid, (5-hydroxy-6-(propylsulfonyl)-1H-benzimidazol-2-yl)-, methyl ester Methyl (5-Hydroxy-6(propylsulfonyl)-1h-benzimidazol-2-yl)carbamate Methyl (5-hydroxy-6-(propylsulfonyl)-1H-benzimidazol-2-yl)carbamate