英文别名DO2A; 2,2'-(1,4,7,10-Tetraazacyclododecane-1,7-diyl)diacetic acid; DO-(CH2COOH)2; 1,7-bis(carboxymethyl)-1,4,7,10-tetraazacyclododecane; 1,4,7,10-tetrazacyclododecane-1,7-diacetic acid; DO2A-(COOH)2; H2DO2A; 1,4,7,10-Tetraazacyclododecane-N,N''-diacetic acid; 1,7-Dicarboxymethyl-1,4,7,10-tetraazacyclododecane; Gadoteridol impurity; DO2A cpd; 2-[7-(carboxymethyl)-1,4,7,10-tetrazacyclododec-1-yl]acetic acid; 2-[7-(carboxymethyl)-1,4,7,10-tetraazacyclododecan-1-yl]acetic acid; Gadobutrol Impurity 38 
