164416-29-9 Propanoicacid, 2-methyl-,1,5,8a,9-tetrakis(acetyloxy)tetradecahydro-1,7,10-trimethyl-4-oxo-6-(1-oxopropoxy)-1H-10,4a-(epoxymethano)cyclobuta[3,4]benz[1,2-f]azulen-3-ylester, [1S-(1a,2ab,3a,4ab,5b,5ab,6a,7a,8aa,9a,10b,10aa,10bb)]- 164454-39-1 Pyrano[2,3-c]pyrrol-5(2H)-one,3,4,6,7-tetrahydro-3,4-dihydroxy-6-methoxy-7-methylene-2-(1,3-pentadienyl)-,[2S-[2a(1E,3E),3b,4a]]-