(Hydroxymethyl)carbamic acid 2,3-dihydro-2,2-dimethyl-7-benzofuranyl ester 18999-70-7 52208-00-1 BRN 1380621 CARBAMIC ACID, (HYDROXYMETHYL)-, 2,3-DIHYDRO-2,2-DIMETHYL-7-BENZOFURANYL ESTER N-Hydroxymethylcarbofuran