115666-99-4

3H-Cyclopropa[4,4a]phenanthro[10,1-bc]furan-3,5,9(1H,8H)-trione,7-ethenyl-2,2a,4a,7,9a,9c,10,10a-octahydro-4a,9a-dihydroxy-2a,7-dimethyl-, (2aa,4aa,7a,9aa,9bR*,9ca,10aa)-(-)-