5-hydroxyxanthotoxin + S-adenosyl-L-methionine => isopimpinellin + S-adenosyl-L-homocysteine
5-hydroxyxanthotoxin + s-adenosyl-l-methionine => isopimpinellin + s-adenosyl-l-homocysteine
5-hydroxyxanthotoxin + S-adenosyl-L-methionine => isopimpinellin + S-adenosyl-L-homocysteine
5-hydroxyxanthotoxin + s-adenosyl-l-methionine => isopimpinellin + s-adenosyl-l-homocysteine