5.beta.,17.alpha.-Card-20(22)enolide, 3.beta.,5,14-trihydroxy-19-oxo-, 3-cymaroside 5.beta.-Card-20(22)-enolide, 3.beta.-(.beta.-D-cymarosyloxy)-5,14-dihydroxy-19-oxo- 508-77-0 Alvonal Alvonal MR B 652272K044 CYMARIN Card-20(22)-enolide, 3-[(2,6-dideoxy-3-O-methyl-.beta.-D-ribo-hexopyranosyl)oxy]-5,14-dihydroxy-19-oxo-, (3.beta.,5.beta.)- Cymarine K-STROPHANTHIN NSC7522 STROPHANTHIN K WLN: L E5 B666TJ AVH E1 IQ MQ F- DT5OV EHJ& OO- FT6OTJ B1 CQ DO1 WV 90043 a k-Strophanthin-.alpha.