| vincaleukoblastine, o(sup 4)-deacetyl-3-de(methoxycarbonyl)-4'-deoxy-3-(((2-eth |
| (3(S))-oxy-1-(1h- indol-3-ylmethyl)-2-oxoethyl)amino)carbonyl) |
| deoxy-v-trypt e |
| ethyl n-(o-4-deacetyl-4'-deoxyvinblastin-23-oyl-b)-tryptophanate |
| o(sup4)-deacetyl-3-de(methoxycarbonyl)-4'-deoxy-3-(((2-ethoxy-1-(1h-indol-3-ylmethyl)-2-oxoethyl)amvincaleukoblastin |
