cirsimaritin + S-adenosyl-L-methionine <=> salvigenin + S-adenosyl-L-homocysteine + H(+)
cirsimaritin + s-adenosyl-l-methionine <=> salvigenin + s-adenosyl-l-homocysteine + h(+)
cirsimaritin + S-adenosyl-L-methionine <=> salvigenin + S-adenosyl-L-homocysteine + H(+)
cirsimaritin + s-adenosyl-l-methionine <=> salvigenin + s-adenosyl-l-homocysteine + h(+)