(1S,2S)-2-amino-1-phenylpropan-1-ol (1S,2S)-2-amino-1-phenyl-propan-1-ol 492-39-7 753492-51-2 (+)-Norpseudoephedrine C08300 Cathine D-Cathine CAS-154-41-6 NCGC00016416-01 PDSP1_001353 PDSP2_001337 (1S,2R)-(+)-Norephedrine Benzenemethanol, alpha-(1-aminoethyl)-, (S-(R*,S*))- d-Phenylpropanolamine (+)-Norephedrin