preferred_name: N(6)-(D-psicosyl)-L-lysine <=> N(6)-(D-fructosyl)-L-lysine
preferred_name_lc: n(6)-(d-psicosyl)-l-lysine <=> n(6)-(d-fructosyl)-l-lysine
label: N(6)-(D-psicosyl)-L-lysine <=> N(6)-(D-fructosyl)-L-lysine
label_lc: n(6)-(d-psicosyl)-l-lysine <=> n(6)-(d-fructosyl)-l-lysine