1S,2S-(+)-2-amino-1-phenylpropane-1,3-diol Phe-val98.5% 2-Amino-1-phenyl-1,3-propanediol 2-amino-1-phenyl-propane-1,3-diol 2-amino-1-phenylpropane-1,3-diol 2-azanyl-1-phenyl-propane-1,3-diol 1,3-Propanediol, 2-amino-1-phenyl-