Synonyms: Vertisporin;Spiro[4H-3a,22-(epoxyethano)-10,12-methano-17H,18H-furo[2',3':10,11][1,6]dioxacyclohexadecino[3,4-d][1]benzopyran-11(12H),2'-oxirane],vertisporin deriv.;Spiro[4H-3a,22-(epoxyethano)-10,12-methano-17H,18H-furo[2',3':10,11][1,6]dioxacyclohexadecino[3,4-d][1]benzopyran-11(12H),2'-oxirane]-8,20(5H,22aH)-dione,2,3,10,10a,13a,16-hexahydro-2,3-dihydroxy-10a,15-dimethyl-, [2R-(2R*,3R*,3aR*,6Z,10R*,10aS*,11S*,12R*,13aR*,17aR*,21E,21bR*)]-;Stereoisomer of2,3,10,10a,13a,16-hexahydro-2,3-dihydroxy-10a,15-dimethylspiro[4H-3a,22-(epoxyethano)-10,12-methano-17H,18H-furo[2',3':10,11][1,6]dioxacyclohexadecino[3,4-d][1]benzopyran-11(12H),2'-oxirane]-8,20(5H,22aH)-dione