6H-4,6a-methano-3H-cyclopenta[c]furo[3,4-e]oxepin-6-carboxylic acid, 1,3a,4,7,8,9b-hexahydro-3a,6-dihydroxy-7,9b-dimethyl-3,8-dioxo-, methyl ester, (3aR,4R,6S,6aR,7R,9bR)- InChI=1/C16H18O8/c1-7-8(17)4-9-13(2)6-23-11(18)15(13,20)10-5-14(7,9)16(21,24-10)12(19)22-3/h4,7,10,20-21H,5-6H2,1-3H3/t7-,10+,13-,14+,15+,16?/m0/s Jiadifenin methyl rel-(3aR,4R,6S,6aR,7R,9bR)-3a,6-dihydroxy-7,9b-dimethyl-3,8-dioxo-1,3a,4,7,8,9b-hexahydro-3H-4,6a-methanocyclopenta[c]furo[3,4-e]oxepine-6-carboxylate