4,8-Dihydroxy-5,7,9,13-tetramethyl-16-[1-methyl-2-(2-methyl-thiazol-4-yl)-vinyl]-oxacyclohexadeca-11,13-diene-2,6-dione 4-Desmethyl-10,11-didehydroepothilone D InChI=1/C26H37NO5S/c1-15-8-7-9-16(2)25(30)19(5)26(31)18(4)22(28)13-24(29)32-23(11-10-15)17(3)12-21-14-33-20(6)27-21/h7-8,10,12,14,16,18-19,22-23,25,28,30H,9,11,13H2,1-6H3/b8-7+,15-10-,17-12+/t16-,18?,19+,22-,23-,25-/m0/s oxacyclohexadeca-11,13-diene-2,6-dione, 4,8-dihydroxy-5,7,9,13-tetramethyl-16-[(E)-1-methyl-2-(2-methyl-4-thiazolyl)ethenyl]-, (4S,7R,8S,9S,11E,13Z,16S)- rel-(4R,7S,8R,9R,11E,13Z,16R)-4,8-dihydroxy-5,7,9,13-tetramethyl-16-[(E)-1-methyl-2-(2-methyl-1,3-thiazol-4-yl)vinyl]oxacyclohexadeca-11,13-diene-2,6-dione