8-ethyl-2,5,6,12-tetrahydro-3,10,10-trimethyl-9-oxopyrazolo(4',3'-6,7)cyclohepta(1,2-b)pyrrolo(2,3-f)indole
8-ethyl-2,5,6,12-tetrahydro-3,10,10-trimethyl-9-oxopyrazolo(4',3'-6,7)cyclohepta(1,2-b)pyrrolo(2,3-f)indole