preferred_name: L-leucine(in) + L-phenylalanine(out) <=> L-leucine(out) + L-phenylalanine(in)
preferred_name_lc: l-leucine(in) + l-phenylalanine(out) <=> l-leucine(out) + l-phenylalanine(in)
label: L-leucine(in) + L-phenylalanine(out) <=> L-leucine(out) + L-phenylalanine(in)
label_lc: l-leucine(in) + l-phenylalanine(out) <=> l-leucine(out) + l-phenylalanine(in)