preferred_name: arginine + glycine => ornithine + guanidoacetate (Mus musculus)
preferred_name_lc: arginine + glycine => ornithine + guanidoacetate (mus musculus)
label: arginine + glycine => ornithine + guanidoacetate (Mus musculus)
label_lc: arginine + glycine => ornithine + guanidoacetate (mus musculus)