... 2[1 ,4, 7,10-tetraaza -4 , 7-bis(carboxymethyl )-1 0-( 2-hydroxypropyl)cyc lododecyl]acetic acid, gadolinium salt (Gd[HP-DO3A]) and 2-( 1 ,4, 7,10-tetraaza -4 , 7bis(carboxymethyl )-1 0-( [N-carboxymethyl)-N- ( 4- cyclohexylphenyl)carbamoyl]me ... administration within hours, and are subsequently emitted into the aquatic © 2008 by Taylor & Francis Group, LLC 1 04 Fate of Pharmaceuticals in the Environment and in Water Treatment Systems environment ... 102 Fate of Pharmaceuticals in the Environment and in Water Treatment Systems 4. 3.3 Acute Immobilization Test of Dimeglumine Gadopentetate, Gadobutrol, Gadoxetic Acid Disodium, and Gadofosveset...