| 英文同义词: | Maytansine, 2-de(acetylmethylamino)-22-demethyl-2-methyl-;ansamitocin pdm-3;Maytansinol Impurity 2 (Ansamitocin PDM-3);N-Demethylansamitocin P-3;(1S,2R,3S,5S,6R,16E,18E,20R,21S)-11-chloro-21-hydroxy-12,20-dimethoxy-2,5,16-trimethyl-8,23-dioxo-4,24-dioxa-9,22-diazatetracyclo[19.3.1.11?,1?.03,?]hexacosa-10,12,14(26),16,18-pentaen-6-yl 2-methylpropanoate |