1α,10β-Di-methoxycarbonyl-2α,7α-dihydroxy-1β,8-epi-dimethyl-gibban-(4aβ)

methyl (1S,4S,5bR,8S,10aS,11S,11aS)-8-hydroxy-1-methyl-9-methylene-2-oxo-1,2,5b,6,7,8,9,10,11,11a-decahydro-4H-1,4:8,10a-dimethanoazuleno[1,2-d]oxepine-11-carboxylate

ent-13-acetoxy-3α-benzoyloxy-10β-hydroxy-20-norgibberella-1,16-diene-7,19-dioic acid 7-methyl ester 19,10-lactone

ent-13-acetoxy-3α-benzoyloxy-10β-hydroxy-16-oxo-17,20-dinorgibberell-1-ene-7,19-dioic acid 7-methyl ester 19,10-lactone