Main Reaction: Syringic acid + 2,6-dimethoxy-1,4-benzodiol >> citrate

Reference: PubMed ID: 28463479
Authors: Hong CY, Ryu SH, Jeong H, Lee SS, Kim M, Choi IG
Title: Phanerochaete chrysosporium Multienzyme Catabolic System for in Vivo Modification of Synthetic Lignin to Succinic Acid.
Published: 2017 May 10

Syringic acid + 2,6-dimethoxy-1,4-benzodiol --> citrate