title: Contraceptive polypeptide from hamster embryos: sequence of amino acids in the compound.
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D055598:Chemical Phenomena; D002621:Chemistry; D006224:Cricetinae; D005260:Female; D010455:Peptides / Q000032:analysis*; D011247:Pregnancy; D011270:Pregnancy, Animal; D015053:Zygote / Q000032:analysis*
chemical_list: D010455:Peptides