(1S,3S)-3,5,12-trihydroxy-3-{(1E)-1-[(1-hydroxy-2,2,6,6-tetramethylpiperidin-4-ylidene)hydrazinylidene]ethyl}-10-methoxy-6,11-dioxo-1,2,3,4,6,11-hexahydrotetracen-1-yl 3-amino-2,3,6-trideoxy-alpha-L-lyxo-hexopyranoside hydrochloride (1:1)