Rasagiline mesylate 161735-79-1 C12H13N.CH3SO3H white crystalline powder; ; 99.6% Primary Parkinsons disease( PD) Ramelteon 196597-26-9 C16H21NO2 white crystalline powder; ; 99.5% Insomnia Donepezil Hydrochloride 120011-70-3 C24H29NO3.HCl white crystalline powder; ; 99% Dementia Mecobalamin 13422-55-4 C63H91CoN13O14P Dark Red crystalline powder; 98.5% ; Total impurity