preferred_name: dynorphin A-(1-12) + L-lysine => dynorphin A-(1-13) + H2O
preferred_name_lc: dynorphin a-(1-12) + l-lysine => dynorphin a-(1-13) + h2o
label: dynorphin A-(1-12) + L-lysine => dynorphin A-(1-13) + H2O
label_lc: dynorphin a-(1-12) + l-lysine => dynorphin a-(1-13) + h2o