(E/Z)-GSK-3β inhibitor 1 (E0381-GRP)

(E/Z)-GSK-3β inhibitor 1 is a racemic compound of (E)-GSK-3β inhibitor 1 and (Z)-GSK-3β inhibitor 1 isomers, in which GSK-3β inhibitor 1 (compound 3a) is a glycogen synthase kinase 3β (GSK-3β) inhibitor with an IC50 of 4.19 nM.