Erectile dysfunction considers men if they find it difficult to keep a firm enough erection to have sex or interfere with sexual activity. Most men occasionally experienced difficulty with their…
Last name : Tadalafil, Cialis Chemical formula ( 6 R – trans ) -6 – (1,3 – benzodioxol-5-yl) – 2,3, 6,7, 12,12 a-hexahydro-2-methyl-pyrazino [1 ‘, 2’: 1,6] pyrido [3 ,…