Paclitaxel Impurity-H

[(1S,2S,3R,4S,7R,9R,10S,12R,15S)-4-acetyloxy-15-[(2R,3S)-3-benzamido-2-hydroxy-3-phenylpropanoyl]oxy-1,9,12-trihydroxy-10,14,17,17-tetramethyl-11-oxo-6-oxatetracyclo[11.3.1.03,10.04,7]heptadec-13-en-2-yl] benzoate; 7-Epi 10-Desacetyl Paclitaxel; 10-Deacetyl-7-epi-taxol; 10-Deacetyl-7-epitaxol; 10-Desacetyl-7-epipaclitaxel; 10-O-Deacetyl-7-epi-paclitaxel; 7-Epi-10-deacetyltaxol; 7-epi-10-Deacetyltaxol; 10-Deacetyl-7-epipaclitaxel (IP); (2aR,4R,4aS,6R,9S,11S,12S,12aR,12bS)-12b-Acetoxy-9-{[(2R,3S)-3-benzamido-2-hydroxy-3-phenylpropanoyl]oxy}-4,6,11-trihydroxy-4a,8,13,13-tetramethyl-5-oxo-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxet-12-yl benzoate; Paclitaxel Related Compound B (USP)