preferred_name: N-methylputrescine + S-adenosyl-L-homocysteine + H(+) => putrescine + S-adenosyl-L-methionine
preferred_name_lc: n-methylputrescine + s-adenosyl-l-homocysteine + h(+) => putrescine + s-adenosyl-l-methionine
label: N-methylputrescine + S-adenosyl-L-homocysteine + H(+) => putrescine + S-adenosyl-L-methionine
label_lc: n-methylputrescine + s-adenosyl-l-homocysteine + h(+) => putrescine + s-adenosyl-l-methionine