Source:http://linkedlifedata.com/resource/umls/id/C0013023
MSH: A beta-hydroxylated derivative of phenylalanine. The D-form of dihydroxyphenylalanine has less physiologic activity than the L-form and is commonly used experimentally to determine whether the pharmacological effects of LEVODOPA are stereospecific.,CSP: D1 and D2 agonist; precursor in dopamine biosynthesis; levodopa or L-DOPA is the generic name of the antiparkinson drug.