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Pathway E. 1H NMR (500 MHz, 10 mm, CDCl3) six‐component signalling cascade a) AUPy 1, NAPyO 2, DAN 3, UPy 4, UIM 5, and AIC 6; b) AUPy 1, NAPyO 2, UPy 4, UIM 5, and AIC 6; c) AUPy 1, UPY 4, UIM 5, and AIC 6; d) AUPy 1, UPy 4, and UIM 5; e) AUPy 1 and UPy 4; f) UPy 4.
