2-phosophonobutane-1,2,4-tricarboxylic acid ; 2-phosphonobutane-1,2,4-tricarboxylic acid ; 1h-imidazole, 2-ethyl-5-methyl- ; 1,2,4-butanetricarboxylic acid, 2-phosphono- ; 2-phosphono-1,2,4-butanetricarboxylic acid ; 2-phosphono butane-1,2,4-tricarboxylic acid ; phosphonobutanetricarboxylic acid ; 2-phosphonobutane-1,2,4-tricarboxylic acid (ca. 50% in water) ; 2-phosphonobutane-1,2,4-tricarboxylicacid ; 2-phosphonobutane-1,2,4-tricarboxylic acid(50% aqueous solution) ; 2- phosphonobutane ?1,2,4-tricarboxylic acid, tetra sodium salt ; pbtca ; '37971-36-1 ; butane-1,2,4-tricarboxylic acid, 2-phosphono- ; butanetricarboxylic acid, 2-phosphono-1,2,4- ; 2-phosphonobutane-1,2,4-tricarbonic acid ; 2-phosphonobutane-1,2,4-tricarboxylic acid ; sodium 1,2,4-butanetricarboxylic acid 2-phosphonate