5,12-Naphthacenedione, 8-ethyl-7,8,9,10-tetrahydro- 1,6,7,8,11-pentahydroxy-10-[[2,3,6-trideoxy-3- (4-morpholinyl)-.alpha.-L-lyxo-hexopyranosyl]oxy]-, hydrochloride MX2 HCl MX2 HYDROCHLORIDE NSC619003