Figure 5: Distribution (after normalization to 100%) of the hydroxyphenyl- type and guaiacyl-type degradation products from pyrolysis of untreated softwood control and softwood samples treated by B207 and L201, respectively. Hydroxyphenyl-type: phenol; phenol, 2-methyl-; phenol, 3-methyl-; phenol, 3,4-dimethyl-; 1,2-benzenediol.s