JEB -- Yang et al. 208 (18): 3609 Figure IG3

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Fig. 3. The yellow pigment associated with escapin is FAD. (A) Aromatic region of ¹H NMR spectrum for FAD standard and the yellow pigment from escapin, showing identical signals. (B) Positive ion ESI-TOF mass spectrum of the yellow pigment from escapin. See text for explanation of these signals.