Fig. 1From: Identification of benzoquinones in pretreated lignocellulosic feedstocks and inhibitory effects on yeastChromatogram from MRM transitions of DNPH-hydrazones of a DMBQ (figure showing one of two possible 2,4-dinitrophenylhydrazone structural isomers that could give rise to the double peak) (m/z 346.8 → 166.8) and b BQ (m/z 286.9 → 166.8) in PL6 (aspen)Back to article page