preferred_name: quercetin + S-adenosyl-L-methionine <=> rhamnetin + S-adenosyl-L-homocysteine + H(+)
preferred_name_lc: quercetin + s-adenosyl-l-methionine <=> rhamnetin + s-adenosyl-l-homocysteine + h(+)
label: quercetin + S-adenosyl-L-methionine <=> rhamnetin + S-adenosyl-L-homocysteine + H(+)
label_lc: quercetin + s-adenosyl-l-methionine <=> rhamnetin + s-adenosyl-l-homocysteine + h(+)