Sildenafil Citrate (Viagra)

C₂₂H₃₁N₆O₄S_,C₆H₇O_7,0.5H₂O

Abraham, AnujiApperley, David C.Byard, Stephen J.Ilott, Andrew J.Robbins, Andrew J.Zorin, VadimHarris, Robin K.Hodgkinson, Paul

CrystEngComm (2016) 18, 6 1054

a=24.0290(10)Å   b=10.9805(5)Å   c=24.3497(10)Å

α=90.00°   β=90.00°   γ=90.00°