2,3,10bβ,11,12,12aβ-Hexahydro-1α,2β,4aβ,8-tetrahydroxy-11,11-dimethyl-2,12α-methano-1H-benzo[b]naphtho[2,1-d]pyran-4(4aH)-one
2,3,10bβ,11,12,12aβ-Hexahydro-1α,2β,4aβ,8-tetrahydroxy-11,11-dimethyl-2,12α-methano-1H-benzo[b]naphtho[2,1-d]pyran-4(4aH)-one