Synonyms: Butyricacid, 2-hydroxy-2-methyl-, 4-ester with 1,2,3,3ab,4,6ab,7,7aa,10,11,11a,11ba-dodecahydro-1a,2a,4b,10a,11b-pentahydroxy-3a,8,11ab-trimethyl-5H-1,11cb-(epoxymethano)phenanthro[10,1-bc]pyran-5-one (8CI); Glaucarubin(6CI,7CI); Picras-3-en-16-one, 11,20-epoxy-1,2,11,12-tetrahydroxy-15-(2-hydroxy-2-methyl-1-oxobutoxy)-,[1b,2a,11b,12a,15b(S)]-;5H-1,11c-(Epoxymethano)phenanthro[10,1-bc]pyran, picras-3-en-16-one deriv.;Glarubin; Glaumeba; MK 53; NSC 14975; Simarubaceae; a-Kirondrin; b-Kirondrin