Alfas

http://classyfire.wishartlab.com/tax_nodes/C0000000
http://classyfire.wishartlab.com/tax_nodes/C0000012
http://classyfire.wishartlab.com/tax_nodes/C0000258
http://classyfire.wishartlab.com/tax_nodes/C0001460
http://classyfire.wishartlab.com/tax_nodes/C0001460
http://classyfire.wishartlab.com/tax_nodes/C0001553
http://classyfire.wishartlab.com/tax_nodes/C0001661
http://classyfire.wishartlab.com/tax_nodes/C0001292
http://classyfire.wishartlab.com/tax_nodes/C0004150
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:31186
http://www.lipidmaps.org/data/LMSDRecord.php?LMID=LMST03020231
http://www.hmdb.ca/metabolites/HMDB0015504
http://www.genome.jp/dbget-bin/www_bget?drug:D01518
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=5282181
https://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=46505115
https://www.chemspider.com/Chemical-Structure.4445376.html
https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=12062
https://www.ebi.ac.uk/chebi/searchId.do?chebiId=31186
https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL1601669
https://zinc.docking.org/substances/ZINC000012484965
http://www.pharmgkb.org/drug/PA164746469
https://www.ebi.ac.uk/pdbe-srv/pdbechem/chemicalCompound/show/M9B
https://en.wikipedia.org/wiki/Alfacalcidol