Spontane

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:48538
http://www.hmdb.ca/metabolites/HMDB0014852
http://www.genome.jp/dbget-bin/www_bget?drug:D07460
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=6005
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46508653
https://www.chemspider.com/Chemical-Structure.5783.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=29644
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=1043
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=48538
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL53
https://zinc.docking.org/substances/ZINC000000009073
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP000281
http://www.pharmgkb.org/drug/PA164781163
http://www.guidetopharmacology.org/GRAC/LigandDisplayForward?ligandId=33
https://www.ebi.ac.uk/pdbe-srv/pdbechem/chemicalCompound/show/OR9
http://www.rxlist.com/cgi/generic3/apokyn.htm
https://www.drugs.com/cdi/apomorphine.html
https://en.wikipedia.org/wiki/Apomorphine