Main physicochemical properties: white or white with a tint, (for 5 mg tablets – oblong, biconvex), (for 50 mg, 100 mg tablets – multifaceted superelliptical with a smooth surface), tablets with the smell of blackcurrant. On one side of the tablets, GS CL2 (for 5 mg tablets), GSCX7 (for 50 mg tablets), GSCL7 (for 100 mg tablets), on the other side – the dose of the drug, namely: 5, 50 or 100. Marbling is allowed on the surface of the tablets.