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Partial short-range 1 H– 13 C(HSQC) correlation spectra (aromatic regions). A) RB867515 (RB) internode 2, B) RB internode 5, C) RB internode 9, D) S. spontaneum (AG) internode 2, E) AG internode 5, F) AG internode 9. S = syringyl, G = guaiacyl, H = p-hydroxyphenyl, PCA = p-coumarate, FA = ferulate.
