| Member | Definition | Role |
|---|
| convallatoxin | A cardenolide glycoside that consists of strophanthidin having a 6-deoxy-alpha-L-mannopyranosyl (L-rhamnosyl) group attached at position 3. | convallatoxin |
| helveticoside | A cardenolide glycoside that consists of strophanthidin having a digitoxosyl group attached at position 3. | helveticoside |
| ouabagenin | A hexahydroxy steroidal lactone obtained by hydrolysis of ouabain. | ouabagenin |
| ouabain | A steroid hormone that is a multi-hydroxylated alpha-L-rhamnosyl cardenoloide. It binds to and inhibits the plasma membrane Na(+)/K(+)-ATPase (sodium pump). It has been isolated naturally from Strophanthus gratus. | ouabain |
| strophanthidin | | strophanthidin |