2,3-Dihydro-2,2-dimethyl-7-benzofuranyl nitroso-methyl carbamate 62593-23-1 CARBAMIC ACID, METHYLNITROSO-, 2,3-DIHYDRO-2,2-DIMETHYLBENZOFURAN-7-YL ESTER Methylnitrosocarbamic acid 2,3-dihydro-2,2-dimethyl-7-benzofuranyl ester N-nitrosocarbofuran Nitrosocarbofuran