1,4-Benzodioxan-5-yl methylcarbamate 1,4-Benzodioxin-5-ol, 2,3-dihydro-, methylcarbamate 13792-21-7 AI3-27362 BRN 1315337 CARBAMIC ACID, METHYL-, 1,4-BENZODIOXAN-5-YL ESTER ENT 27,362 NSC 67279 R-11163 Stauffer R-11163