Synonyms: Vincaleukoblastine,O4-deacetyl-3-de(methoxycarbonyl)-3-[[[2-ethoxy-1-(1H-indol-3-ylmethyl)-2-oxoethyl]amino]carbonyl]-,[3(S)]-; 1H-Indolizino[8,1-cd]carbazole, vincaleukoblastine deriv.;2H-3,7-Methanoazacycloundecino[5,4-b]indole, vincaleukoblastine deriv.;Vinblastine tryptophan ester; Vintriptol