(2S,3R)-2-amino-3-(3,4-dihydroxyphenyl)-3-hydroxypropanoic acid; L-threo 3,4-Dihydroxyphenylserine; L-threo-Droxidopa; (βR)-β,3-Dihydroxy-L-tyrosine; threo-β,3-Dihydroxy-L-tyrosine; L-threo-3-(3,4-Dihydroxyphenyl)serine; (-)-threo-3,4-Dihydroxyphenylserine; (2S,3R)-2-Amino-3-(3,4-dihydroxyphenyl)-3-hydroxypropanoic Acid;(2S,3R)-3-(3,4-Dihydroxyphenyl)-2-amino-3-hydroxypropanoic Acid; DOPS; L-DOPS; L-Threodops; L-threo-3,4-Dihydroxyphenylserine; L-threo-DOPS; L-threo-β-(3,4-Dihydroxyphenyl)serine; SM 5688; threo-Dopaserine