Fig. 3

The oxidation pathway of FBSE to FBSAA involves intermediate compounds, including aldehyde and aldehyde hydration. Two isomers of FBSAcAL (keto and enol form) and two isomers of FBSAA were detected
The oxidation pathway of FBSE to FBSAA involves intermediate compounds, including aldehyde and aldehyde hydration. Two isomers of FBSAcAL (keto and enol form) and two isomers of FBSAA were detected