myricetin + S-adenosyl-L-methionine <=> 3-O-methylmyricetin + S-adenosyl-L-homocysteine + H(+)
myricetin + s-adenosyl-l-methionine <=> 3-o-methylmyricetin + s-adenosyl-l-homocysteine + h(+)
myricetin + S-adenosyl-L-methionine <=> 3-O-methylmyricetin + S-adenosyl-L-homocysteine + H(+)
myricetin + s-adenosyl-l-methionine <=> 3-o-methylmyricetin + s-adenosyl-l-homocysteine + h(+)