preferred_name: caffeine + S-adenosyl-L-homocysteine + H(+) => 1,7-dimethylxanthine + S-adenosyl-L-methionine
preferred_name_lc: caffeine + s-adenosyl-l-homocysteine + h(+) => 1,7-dimethylxanthine + s-adenosyl-l-methionine
label: caffeine + S-adenosyl-L-homocysteine + H(+) => 1,7-dimethylxanthine + S-adenosyl-L-methionine
label_lc: caffeine + s-adenosyl-l-homocysteine + h(+) => 1,7-dimethylxanthine + s-adenosyl-l-methionine