Gadopentetetic acid
CAS NO:  80529-93-7
 Gadopentetate monomeglumine
CAS No.   92923-57-4
Synonyms   Meglumine gadopentate; Gadolinium [bis[2-[(carboxylatomethyl)(carboxymethyl)amino]ethyl]amino]acetate 1-deoxy-1-(methylamino)-D-glucitol (1:1)