1,4,7,10-Tetraazacyclododecane-1,4,7-triacetic acid, 10-[2-[[[4-(6-methyl-1,2,4,5-tetrazin-3-yl)phenyl]methyl]amino]-2-oxoethyl]-
1,4,7,10-Tetraazacyclododecane-1,4,7-triacetic acid, 10-[2-[[[4-(6-methyl-1,2,4,5-tetrazin-3-yl)phenyl]methyl]amino]-2-oxoethyl]-