Memantine Hydrochloride
    Tiotropium Bromide 

    Scopine Hydrochloride
    2-Hydroxy-2,2-bis(2-thienyl)acetic acid
    1,3-Dimethyladamantane
    Hypoxanthine
    6-Chloropurine
    Adenine 
    Kinetin(6-Furfurylaminpuine)
    Guanine
    2-Amino-6-Chloropurine
    9-(4-acetoxy-3-acetoxymethylbut-1-yl)-2-amino-6-chloropurine
    1H-1,2,4-Triazole-3-Carboxylic acid methyl ester
    b-D-Ribofuranose 1,2,3,5-teraacetate

    (R)-(+)-2,2'-bis(diphenylphosphino)-1,1'-binaphthyl
    (S)-(-)-2,2'-bis(diphenylphosphino)-1,1'-binaphthyl
    4-Iodo-L- phenylalanine
    4-Iodo-D- phenylalanine
    L-(-)Camphor