xanthotoxin + S-adenosyl-L-homocysteine + H(+) => xanthotoxol + S-adenosyl-L-methionine
xanthotoxin + s-adenosyl-l-homocysteine + h(+) => xanthotoxol + s-adenosyl-l-methionine
xanthotoxin + S-adenosyl-L-homocysteine + H(+) => xanthotoxol + S-adenosyl-L-methionine
xanthotoxin + s-adenosyl-l-homocysteine + h(+) => xanthotoxol + s-adenosyl-l-methionine