Cyathin B2

2,3,3a,4,5,5a,6,7,10,10aβ-Decahydro-1-isopropyl-3aβ,5aα-dimethyl-6-oxocyclohepta[e]indene-8-carbaldehyde

(3aR)-2,3,3a,4,5,5a,6,7,10,10aβ-Decahydro-3aβ,5aα-dimethyl-1-isopropyl-6-oxocyclohept[e]indene-8-carbaldehyde