
1) Amino acid
Found on
https://www.crosswordclues.com/clue/droxidopa

Droxidopa (INN; trade name Northera; also known as L-DOPS, L-``threo``-dihydroxyphenylserine, and SM-5688) is a synthetic amino acid precursor which acts as a prodrug to the neurotransmitters norepinephrine (noradrenaline) and epinephrine (adrenaline). Unlike norepinephrine and epinephrine themselves, droxidopa is capable of crossing the prote...
Found on
http://en.wikipedia.org/wiki/Droxidopa

<chemical> A precursor of noradrenaline that is used in the treatment of parkinsonism. The racaemic form (dl-threo-3,4-dihydroxyphenylserine) has also been used, and has been investigated in the treatment of orthostatic hypotension. There is a deficit of noradrenaline as well as of dopamine in parkinson's disease and it has been proposed that...
Found on
http://www.encyclo.co.uk/local/20973
No exact match found.