. . . . . "3-({3-[(1S,4aS,6S,7S,9S,9aR)-1,6-dimethyl-2-oxodecahydro-6,9-epoxy-4a,7-methanobenzo[7]annulen-1-yl]propanoyl}amino)-2,4-dihydroxybenzoic acid"@en . "experimental"@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .