Synonyms: Pregn-5-en-20-one,11-(acetyloxy)-3-[(O-b-D-glucopyranosyl-(1®4)-O-6-deoxy-3-O-methyl-b-D-allopyranosyl-(1®4)-O-2,6-dideoxy-3-O-methyl-b-D-ribo-hexopyranosyl-(1®4)-2,6-dideoxy-3-O-methyl-b-D-ribo-hexopyranosyl)oxy]-8,14-dihydroxy-12-[(2-methyl-1-oxo-2-butenyl)oxy]-,[3b,11a,12b(E),14b,17a]-; Stavaroside K