Synonyms: Propionicacid, 3,3',3'',3'''-(ethylenedinitrilo)tetra- (7CI,8CI); EDTP; EthylenediamineN,N,N',N'-tetrakis(propionic acid); Ethylenediamine-N,N,N',N'-tetrapropionicacid; Ethylenediaminetetra-3-propionic acid; Ethylenediaminetetrapropionic acid