3a-ethyl 4-methyl 7a-ethoxy-2,3-dimethyl-6-oxo-2,3,7,7a-tetrahydrofuro[2,3-b]pyridine-3a,4(6H)-dicarboxylate

Order 59909-69-2 ethyl,methyl,ethoxy,dimethyl,tetrahydrofuro,pyridine,dicarboxylate,furo[2,3-b]
Furo[2,3-b]
70509-83-04-[2-[(2E)-2,3,4,9-Tetrahydro-9-methyl-4-oxofuro[2,3-b]quinolin-2-ylidene]propyl]-2,3,4,6-tetrahydro-2,2,6-trimethyl-5H-pyrano[3,2-c]quinolin-5-one