154992-31-1

2H-5a,2,5-(Methanoxymetheno)naphth[1,2-d]oxepin-4,6(1H,5H)-dione,10,11,11a,11b-tetrahydro-1,10,11-trihydroxy-8,11a,14-trimethyl-, [1R-(1a,2a,5a,5aa,10b,11a,11aa,11bb,14S*)]-