Ixabepilone Impurity 3

Chemical Name: (1R,2R,6S,7S,8R,11S,15S)-2,7,11-Trihydroxy-2,6,8,10,10-pentamethyl-15-[(1E)-1-methyl-2-(2-methyl-4-thiazolyl)ethenyl]-17-oxa-14-azabicyclo[11.3.1]heptadec-13-en-9-one

Synonym: 5-(methyl-d3)-5-propyl-1,3-dioxan-2-one

Smile: O=C1[C@H](C)[C@@H](O)[C@@H](C)CCC[C@@](C)(O)[C@@](O2)([H])C[C@@H](/C(C)=C/C3=CSC(C)=N3)N=C2C[C@H](O)C1(C)C