Smiles Code
C\C(=C/C=C/C=C(\C)/C=C/C=C(\C)/C=C/C1=C(C)C(=O)[C@@H](O)CC1(C)C)\C=C\C=C(/C)\C=C\[C@H]2C(=C[C@@H](O)CC2(C)C)C
Standards; Natural Products;
Papilioerythrin is a carotenoid that helps in the maintenance of species-typical plumage pigmentation in male American goldfinches and northern cardinals.