Not Less Than - 95%
(2S)-1-[2-[(3-Hydroxytricyclo[3.3.1.13,7]dec-1-yl)amino]acetyl]-2-pyrrolidinecarbonitrile; (S)-1-[2-[(3-Hydroxyadamant-1-yl)amino]acetyl]pyrrolidine-2-carbonitrile;(-)-(2S)-1-[[(3-Hydroxytricyclo[3.3.1.1[3,7]]dec-1-yl)amino]acetyl]pyrrolidine-2-carbonitrile