Synonyms:
6,9-Dioxa-3,12-diazatetradecanedioicacid, 3,12-bis(carboxymethyl)-4-(2-nitrophenyl)-, tetrapotassium salt (9CI) ; NP-EGTA ; NP-EGTA tetrapotassium salt ; 6,9-Dioxa-3,12-diazatetradecanedioicacid, 3,12-bis(carboxymethyl)-4-(2-nitrophenyl)-, potassium salt (1:4)