3-oxo-(4at,9at)-3,4,4a,9a-tetrahydro-1H-1r,4c-etheno-pyrano[3,4-d]azepine-7,11-dicarboxylic acid 7-ethyl ester 11-methyl ester

CAS号：70266-26-1

英文名：3-oxo-(4at,9at)-3,4,4a,9a-tetrahydro-1H-1r,4c-etheno-pyrano[3,4-d]azepine-7,11-dicarboxylic acid 7-ethyl ester 11-methyl ester