preferred_name: N-methylpyridinium + S-adenosyl-L-homocysteine => pyridine + S-adenosyl-L-methionine
preferred_name_lc: n-methylpyridinium + s-adenosyl-l-homocysteine => pyridine + s-adenosyl-l-methionine
label: N-methylpyridinium + S-adenosyl-L-homocysteine => pyridine + S-adenosyl-L-methionine
label_lc: n-methylpyridinium + s-adenosyl-l-homocysteine => pyridine + s-adenosyl-l-methionine