1H-Pyrrole-2-propanoic acid, 4-[15-[(2,6-dideoxy-.beta.-D-ribo-hexopyranosyl)oxy]- 12,14,16-trimethyl-1-oxo-2,4,6,8,10,12-heptadecahexaenyl]- 2,5-dihydro-3-hydroxy-1-methyl-5-oxo-, disodium salt NSC611000 Oleficin, disodium salt