(+-)-6-Amino-alpha-hydroxy-9H-purine-9-propanoic acid (R,S)-3-Adenin-9-yl-2-hydroxypropanoic acid isobutyl ester 3-Adenin-9-yl-2-hydroxypropanoic acid 94535-32-7 9H-Purine-9-propanoic acid, 6-amino-alpha-hydroxy-, (+-)-