In particular, [(pF)Phe~4,Aib~7,Aib~(11),Arg~(14),Lys~(15)]N/OFQ-NH_2 was found to be a highly potent agonist with pKi = 10.78 in binding studies on rat brain membranes and pEC_(50) = 9.37 in MVD assay.

• 特别是类似物[(pF)Phe~4；Aib~7；Aib~(11)；Arg~(14)；Lys~(15)]N/OFQ-NH_2是一个高效的NOP受体激动剂；它的pKi为10.；78; pEC_(50)为9