preferred_name: adenosine + L-methionine + H(+) => (R)-S-adenosyl-L-methionine + H2O
preferred_name_lc: adenosine + l-methionine + h(+) => (r)-s-adenosyl-l-methionine + h2o
label: adenosine + L-methionine + H(+) => (R)-S-adenosyl-L-methionine + H2O
label_lc: adenosine + l-methionine + h(+) => (r)-s-adenosyl-l-methionine + h2o