Hitop

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:8485
http://www.hmdb.ca/metabolites/HMDB0014945
http://www.genome.jp/dbget-bin/www_bget?drug:D08448
http://www.genome.jp/dbget-bin/www_bget?cpd:C07383
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=4935
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46507960
https://www.chemspider.com/Chemical-Structure.4766.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=50225500
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=34905
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=8485
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL1196
https://zinc.docking.org/substances/ZINC000001530762
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP000513
http://www.pharmgkb.org/drug/PA164776849
http://www.rxlist.com/cgi/generic2/propara.htm
https://www.drugs.com/cdi/proparacaine-drops.html
https://en.wikipedia.org/wiki/Proxymetacaine