GR 64349 is a potent and highly selective NK2 receptor peptide antagonist with an EC50 of 3.7 nM in rat colon, exhibiting over 1000-fold selectivity against NK1 receptors and over 300-fold selectivity against NK3 receptors, ensuring targeted action [1] [2].
Molecular Weight:
1035.13
Formula:
C44H69F3N10O13S
Target:
Neurokinin receptor
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