YK11 is the most muscle building sarms, in this artcle, you’ll find the most detail info summary for sarms YK11. Sarm Yk11 basic info Product Name: yk11 Chemical Name: (17α,20 E) 17α-17,20 – [(1-Methoxyethyleneidene) bis (oxy)] -3-OXo-19-NorpreGNA-4, 20 – diene – 21 – carboxy Methyl acid Cas no. : 431579-34-9 Molecular formula of Yk11: C25H34O6 molecular weight of sarms Yk11 : …