gadolinium 2,2',2'-(10-(2-(1-carboxy-3-(methylthio)propylamino)-2-oxoethyl)-1,4,7,10-tetraazacyclododecane-1,4,7-triyl)triacetic acid
gadolinium 2,2',2'-(10-(2-(1-carboxy-3-(methylthio)propylamino)-2-oxoethyl)-1,4,7,10-tetraazacyclododecane-1,4,7-triyl)triacetic acid