Diopine

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:4646
http://www.hmdb.ca/metabolites/HMDB0014592
http://www.genome.jp/dbget-bin/www_bget?drug:D02349
http://www.genome.jp/dbget-bin/www_bget?cpd:C06963
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=3105
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46504716
https://www.chemspider.com/Chemical-Structure.2994.html
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=23410
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=4646
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL1201262
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP000593
http://www.pharmgkb.org/drug/PA449364
http://www.rxlist.com/cgi/generic2/dipivefrin.htm
https://www.drugs.com/cdi/dipivefrin.html
http://www.pdrhealth.com/drug_info/rxdrugprofiles/drugs/pro1356.shtml
https://en.wikipedia.org/wiki/Dipivefrine