121960-93-8

Spiro[furan-3(2H),3'-[3H]naphtho[2,1-b]pyran]-5,8'(4H,4'aH)-dione,1'-(acetyloxy)-6'-(benzoyloxy)decahydro-4'a,6'a,7',10'b-tetramethyl-, [1'S-(1'a,3'b,4'ab,6'b,6'ab,7'b,10'aa,10'bb)]-