Icariin

Chemical Name: 5-Hydroxy-2-(4-methoxyphenyl)-8-(3-methylbut-2-en-1-yl)-7-(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-3-(((2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-4H-chromen-4-one

Synonym:  Epimedium PE; Icariine; Icariln; Ieariline

Smile: O=C1C(O[C@H]2[C@H](O)[C@H](O)[C@@H](O)[C@H](C)O2)=C(C3=CC=C(OC)C=C3)OC4=C1C(O)=CC(O[C@H]5[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O5)=C4C/C=C(C)\C