(2,3,4-Trimethoxy-6,7,8,9-tetrahydro-5H-benzocyclohepten-6-yl)carbamic acid methyl ester 50823-57-9 6-(N-Carbomethoxy)amino-2,3,4-trimethoxybenzocycloheptane BRN 2769207 CARBAMIC ACID, (2,3,4-TRIMETHOXY-6,7,8,9-TETRAHYDRO-5H-BENZOCYCLOHEPTEN-6-YL)-, Carbamic acid, (2,3,4-trimethoxy-6,7,8,9-tetrahydro-5H-benzocyclohepten-6-yl)-, methyl ester