Alapril

https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:4784
http://www.hmdb.ca/metabolites/HMDB0014722
http://www.genome.jp/dbget-bin/www_bget?drug:D07892
http://www.genome.jp/dbget-bin/www_bget?cpd:C06977
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=5388962
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46507920
https://www.chemspider.com/Chemical-Structure.4534998.html
http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=50017129
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=3827
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=4784
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL578
https://zinc.docking.org/substances/ZINC000003791297
http://bidd.nus.edu.sg/group/cjttd/ZFTTDDRUG.asp?ID=DAP001374
http://www.pharmgkb.org/drug/PA449456
http://www.rxlist.com/cgi/generic/enalap.htm
https://www.drugs.com/enalapril.html
http://www.pdrhealth.com/drugs/rx/rx-mono.aspx?contentFileName=Vas1477.html&contentName=Vasotec&contentId=6
https://en.wikipedia.org/wiki/Enalapril