preferred_name: N-amidino-L-arginine + L-ornithine => 2 L-arginine
preferred_name_lc: n-amidino-l-arginine + l-ornithine => 2 l-arginine
label: N-amidino-L-arginine + L-ornithine => 2 L-arginine
label_lc: n-amidino-l-arginine + l-ornithine => 2 l-arginine