英文别名
                        Gibbane-1,10-dicarboxylic acid, 2,3-epoxy-4,4a,7-trihydroxy-1-methyl-8-methylene-, 1,4a-lactone, (1alpha,2beta,3beta,4beta,4aalpha,4bbeta,10beta)-;(1R,2R,5S,8S,9S,10R,11S,12R,14S,15R)-5,15-dihydroxy-11-methyl-6-methylidene-17-oxo-13,16-dioxahexacyclo[9.4.2.15,8.01,10.02,8.012,14]octadecane-9-carboxylic acid