avenanthramide C + S-adenosyl-L-methionine <=> avenanthramide B + S-adenosyl-L-homocysteine + H(+)
avenanthramide c + s-adenosyl-l-methionine <=> avenanthramide b + s-adenosyl-l-homocysteine + h(+)
avenanthramide C + S-adenosyl-L-methionine <=> avenanthramide B + S-adenosyl-L-homocysteine + H(+)
avenanthramide c + s-adenosyl-l-methionine <=> avenanthramide b + s-adenosyl-l-homocysteine + h(+)