10-acetyldimethyl-5-aminoisophthalate-1,4,7,10-tetraazacyclododecane-1,4,7-triacetic acid - trifluoroacetic acid - water (1/1/2) 、
erbium(III) triflate 以
甲醇 为溶剂,
以66%的产率得到(10-acetyldimethyl-5-aminoisophthalate-1,4,7,10-tetraazacyclododecane-1,4,7-triacetato)erbium(III)