(1aR,3aS,4S,5S,6R,7aR,7bS)-4-formyl-4-[2-(3-furyl)-2-oxoethyl]-5,7a,7b-trimethyldecahydronaphtho[1,2-b]oxiren-6-yl rel-acetate 7alpha-Acetoxy-3,4,15,16-diepoxy-12-oxo-cleroda-13(16),14-dien-20-al Acetic acid 4-formyl-4-(2-furan-3-yl-2-oxo-ethyl)-5,7a,7b-trimethyl-decahydro-1-oxa-cyclopropa[a]naphthalen-6-yl ester Cascarillin B InChI=1/C22H28O6/c1-13-17(27-14(2)24)10-20(3)18(5-6-19-21(20,4)28-19)22(13,12-23)9-16(25)15-7-8-26-11-15/h7-8,11-13,17-19H,5-6,9-10H2,1-4H3/t13-,17-,18+,19-,20-,21-,22-/m1/s naphth[1,2-b]oxirene-4-carboxaldehyde, 6-(acetyloxy)-4-[2-(3-furanyl)-2-oxoethyl]decahydro-5,7a,7b-trimethyl-, (1aR,3aS,4S,5S,6R,7aR,7bS)-