preferred_name: (R)-norprotosinomenine + S-adenosyl-L-methionine <=> (R)-6-O-methylnorprotosinomenine + S-adenosyl-L-homocysteine + H(+)
preferred_name_lc: (r)-norprotosinomenine + s-adenosyl-l-methionine <=> (r)-6-o-methylnorprotosinomenine + s-adenosyl-l-homocysteine + h(+)
label: (R)-norprotosinomenine + S-adenosyl-L-methionine <=> (R)-6-O-methylnorprotosinomenine + S-adenosyl-L-homocysteine + H(+)
label_lc: (r)-norprotosinomenine + s-adenosyl-l-methionine <=> (r)-6-o-methylnorprotosinomenine + s-adenosyl-l-homocysteine + h(+)