120216-78-6

Spiro[furan-3(2H),8'(9'H)-[4H-3,5a]methanonaphth[2,1-b]oxepin]-4',5(4H)-dione,decahydro-3'-methyl-, [3'S-(3'a,5'aa,7'aa,8'a,11'ab,11'ba)]-