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Paclitaxel 【chemical name】5 beta, alpha 20 - epoxy - 1, 2, 4, 7 beta, 10 beta, alpha - 6 hydroxy taxane - 11-13 ene - 9 - ketone - 4, 10 - two acetate - 2 - benzoate - 13 [(2 R, 3 S) '- N - benzoyl ...