1,4,7,10-TETRAAZACYCLODODECANE-1,4,7-TRIACETIC ACID, 10-((5R,6S)-6-HYDROXY-2,2-DIMETHYL-1,3-DIOXEPAN-5-YL)-
1,4,7,10-tetraazacyclododecane-1,4,7-triacetic acid, 10-((5r,6s)-6-hydroxy-2,2-dimethyl-1,3-dioxepan-5-yl)-