3-beta-O-(4-Amino-4,6-dideoxy-beta-D-glucopyranosyl)digitoxigenin hydrochloride ASI-254 hydrochloride Card-20(22)-enolide, 3-((4-amino-4,6-dideoxy-beta-D-glucopyranosyl)oxy)-14-hydroxy-, hydrochloride, (3-beta,5-beta)- FH4600500