4a,1-(Epoxymethano)-7,9a-methanobenz[a]azulene-10-carboxylic acid, dodecahydro-1-methyl-8-methylene-13-oxo-, methyl ester, (4aR,4bR,7R,9aR,10S,10aR)-;Methyl (1R,2R,5R,8R,9S,10R)-11-methyl-6-methylene-16-oxo-15-oxapentacyclo[9.3.2.1.0.0]heptadecane-9-carboxylate;O-methyl gibberellin A9;MeGA9;methyl 1beta-methyl-8-methylidene-13-oxo-4a,1alpha-epoxymethano-4aalpha,4bbeta-gibbane-10beta-carboxylate;GA9 methyl ester;methyl GA9