Synonyms: PBS-AM;1,2,4-Butanetricarboxylic acid,2-phosphono-;PBTC;2-Phosphonobutane -1,2,4-Tricarboxylic Acid;2-Phosphonobutane-1,2,4-Tricarboxylic acid [PBTCA];2-Phosphonobutane-1,2,4-Tricarboxylic Acid(PBTCA);2-Butanephosphate-1,2,4-tricarboxylic acid (PBTC);PBTCA;2-Phosphonobutane 1,2,4-tricarboxylic acid (PBTC);PBTC 50%;