preferred_name: N(6),N(6),N(6)-trimethyl-L-lysyl(20)-[histone H4] + S-adenosyl-L-homocysteine + H(+) => N(6),N(6)-dimethyl-L-lysyl(20)-[histone H4] + S-adenosyl-L-methionine
preferred_name_lc: n(6),n(6),n(6)-trimethyl-l-lysyl(20)-[histone h4] + s-adenosyl-l-homocysteine + h(+) => n(6),n(6)-dimethyl-l-lysyl(20)-[histone h4] + s-adenosyl-l-methionine
label: N(6),N(6),N(6)-trimethyl-L-lysyl(20)-[histone H4] + S-adenosyl-L-homocysteine + H(+) => N(6),N(6)-dimethyl-L-lysyl(20)-[histone H4] + S-adenosyl-L-methionine
label_lc: n(6),n(6),n(6)-trimethyl-l-lysyl(20)-[histone h4] + s-adenosyl-l-homocysteine + h(+) => n(6),n(6)-dimethyl-l-lysyl(20)-[histone h4] + s-adenosyl-l-methionine