Synonyms: L-Tyrosine,b,3-dihydroxy-, threo-;Serine,3-(3,4-dihydroxyphenyl)-, L-threo- (8CI);(-)-threo-3,4-Dihydroxyphenylserine;(2S,3R)-3-(3,4-Dihydroxyphenyl)-2-amino-3-hydroxypropanoic acid;DOPS;Droxidopa;L-DOPS;L-Threodops;L-threo-3,4-Dihydroxyphenylserine;L-threo-3-(3,4-Dihydroxyphenyl)serine;L-threo-DOPS;L-threo-b-(3,4-Dihydroxyphenyl)serine;SM5688;threo-Dopaserine;