Norephedrine

http://www.hmdb.ca/metabolites/HMDB0001942
http://www.genome.jp/dbget-bin/www_bget?cpd:C16719
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=26934
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46508087
https://www.chemspider.com/Chemical-Structure.9875.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=50405613
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=8175
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=80680
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL136560
https://zinc.docking.org/substances/ZINC000000157545
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DNC001144
http://www.pharmgkb.org/drug/PA164748965
https://www.drugs.com/mtm/phenylpropanolamine.html
https://en.wikipedia.org/wiki/Phenylpropanolamine