Vincaleukoblastine, 22-oxo-, mixt. with 1-[(3R,5aS,6R,8aS,9R,10S,12R,12aR)-decahydro-3,6,9-trimethyl-3,12-epoxy-12H-pyrano[4,3-j]-1,2-benzodioxepin-10-yl] hydrogen butanedioate

Butanedioic acid, 1-[(3R,5aS,6R,8aS,9R,10S,12R,12aR)-decahydro-3,6,9-trimethyl-3,12-epoxy-12H-pyrano[4,3-j]-1,2-benzodioxepin-10-yl] ester, compd. with 4-amino-N-(5,6-dimethoxy-4-pyrimidinyl)benzenesulfonamide and 5-(4-chlorophenyl)-6-ethyl-2,4-pyrimidinediamine (1:1:1)