Back to results
US 6,124,431 AGranted
Peptide derivatives
AssigneeTeikoku Hormone Mfg. Co., Ltd.
InventorsKyoichi Sakakibara, Masaaki Gondo, Koichi Miyazaki, Takeshi Ito, Akihiro Sugimura, Motohiro Kobayashi
Life of this patent
Estimating the term…
Abstract
A peptide derivative represented by the following formula or a salt thereof ##STR1## wherein A represents a hydrogen atom, and B represents a phenyl group substituted with a hydroxyl group; said derivative has an antitumor activity stronger than that of dolastatin 10, and is useful as an anticancer or antitumor agent.
Claims1
A peptide derivative of the formula:
- ##STR28## wherein A is a hydrogen atom, and wherein B is a phenyl group substituted with a hydroxy group,
- or a salt thereof.
Dependencies are inferred from the claim text.