<unk>  is an amino alcohol which is classified as a vasodilator (C01DX08 (WHO)). It is sometimes used in the treatment of low blood pressure, particularly orthostatic hypotension. It is a potent positive inotrope (improving cardiac contraction)
It is classified as a doping substance. In 2008, the cyclist Dmitriy Fofonov was tested positive at the Tour de France. In June 2010, the swimmer Frédérick Bousquet was tested positive for the substance, allegedly for buying a medicine from the pharmacy.
In 2013, the cyclist Sylvain Georges was tested positive at the Giro d'Italia.
In 2014, baseball player Joel Piniero tested positive.
Heptaminol
Dantron
Azidomorphine
Gadoteridol
Droperidol
Methyldopate
Galantamine hydrobromide
Tolperisone