• calcium 2,2′-(7-(carboxymethyl)-10-((2R,3R)-1,3,4-trihydroxybutan-2-yl)-1,4,7,10-tetraazacyclododecane-1,4-diyl)diacetate2021-12-28
• calcium 2,2′-(7-(carboxymethyl)-10-((2R,3R)-1,3,4-trihydroxybutan-2-yl)-1,4,7,10-tetraazacyclododecane-1,4-diyl)diacetate2021-11-26