Paclitaxel - Impurity Q

502626-06-4

4,10ß-Bis(Acetyloxy)-13a-[[(2R,3S)-3-[[(3E)-hex-3-enoyl]amino]-2-hydroxy-3-phenylpropanoyl]oxy]-1,7ß-dihydroxy-9-oxo-5ß,20-epoxytax-ll-en-2a-ylbenzoate; (αR,βS)-α-Hydroxy-β-[[(2E)-1-oxo-2-hexen-1-yl]amino]benzenepropanoic Acid (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-6,12b-Bis(acetyloxy)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-4,11-dihydroxy-4a,8,13,13-tetramethyl-5-oxo-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl Ester; (αR,βS)-α-Hydroxy-β-[[(2E)-1-oxo-2-hexenyl]amino]benzenepropanoic Acid (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-6,12b-Bis(acetyloxy)-12-(benzoyloxy)-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-4,11-dihydroxy-4a,8,13,13-tetramethyl-5-oxo-7,11-methano-1H-cyclodeca[3,4]benz[1,2-b]oxet-9-yl Ester; 3'',4''-Dehydrotaxol C; (2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12-(Benzoyloxy)-9-({(2R,3S)-3-[(Z)-hex-3-enamido]-2-hydroxy-3-phenylpropanoyl}oxy)-4,11-dihydroxy-4a,8,13,13-tetramethyl-5-oxo-3,4,4a,5,6,9,10,11,12,12a-decahydro-1H-7,11-methanocyclodeca[3,4]benzo[1,2-b]oxete-6,12b(2aH)-diyl Diacetate (USP);