Synonyms: Butanedioicacid, 2,3-dihydroxy- (2R,3R)-, monopotassium monosodium salt, tetrahydrate(9CI); Butanedioic acid, 2,3-dihydroxy-[R-(R*,R*)]-, monopotassium monosodiumsalt, tetrahydrate; Tartaric acid, monopotassium monosodium salt, tetrahydrate,L-(+)- (8CI); Monopotassium monosodium tartrate tetrahydrate; Potassium sodiumtartrate (1:1:1) tetrahydrate; Rochelle salt