、
diethyl 2,2'-(2,2'-(ethane-1,2-diylbis(oxy))bis(4-amino-2,1-phenylene))bis((pyridine-2-ylmethyl)azane-diyl) diacetate 以
二氯甲烷 为溶剂,
以32%的产率得到diethyl 2,2'-(2,2'-(ethane-1,2-diylbis(oxy))bis(4-(5-(3',6'-diacetyl-2',7'-dichlorofluorescein))amido-2,1-phenylene))bis((pyridin-2-ylmethyl)azanediyl) diacetate