spiro,isobenzofuran,xanthene,benzofuran,furan
Furan
75683-59-92-Methylpropenoic acid [[(3aR,4R,6Z,10Z,11aR)-10-acetoxymethyl-2,3,3a,4,5,8,9,11a-octahydro-4-hydroxy-3-methylene-2-oxocyclodeca[b]furan-6-yl]methyl] ester 13292-30-3(8Z,24E)-5,6,17,19-tetrahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-1,9,11-trioxo-8-[(1,3-thiazol-2-ylamino)methylidene]-1,2,8,9-tetrahydro-2,7-(epoxypentadeca[1,11,13]trienoimino)naphtho[2,1-b]furan-21-yl acetate