preferred_name: gamma-L-glutamyl-butirosin B = butirosin B + 5-oxo-L-proline
preferred_name_lc: gamma-l-glutamyl-butirosin b = butirosin b + 5-oxo-l-proline
label: gamma-L-glutamyl-butirosin B = butirosin B + 5-oxo-L-proline
label_lc: gamma-l-glutamyl-butirosin b = butirosin b + 5-oxo-l-proline