Synonyms: Limonoicacid, 3,19-lactone;Spiro[9H,11H-naphtho[1',2':3,4]furo[3,2-c]pyran-5(2H),2'-oxirane]-3'-carboxylicacid, 6a-(3-furylhydroxymethyl)-2ab,3,4,4a,6,7,8,8ab,12,12ab-decahydro-2,2,4aa,6-tetramethyl-4,11-dioxo- (8CI);Limonoic acid A-ring lactone;Spiro[9H,11H-naphtho[1',2':3,4]furo[3,2-c]pyran-5(2H),2'-oxirane]-3'-carboxylicacid, 6-(3-furanylhydroxymethyl)decahydro-2,2,4a,6-tetramethyl-4,11-dioxo-,[2aR-[2aa,4ab,5b(S*),6b(S*),8aa,8bR*,12aa]]-