preferred_name: hercynine + S-adenosyl-L-homocysteine + H(+) => N(alpha),N(alpha)-dimethyl-L-histidine + S-adenosyl-L-methionine
preferred_name_lc: hercynine + s-adenosyl-l-homocysteine + h(+) => n(alpha),n(alpha)-dimethyl-l-histidine + s-adenosyl-l-methionine
label: hercynine + S-adenosyl-L-homocysteine + H(+) => N(alpha),N(alpha)-dimethyl-L-histidine + S-adenosyl-L-methionine
label_lc: hercynine + s-adenosyl-l-homocysteine + h(+) => n(alpha),n(alpha)-dimethyl-l-histidine + s-adenosyl-l-methionine