Patent ID: 7304037
Filing Date: 2007-12-04
Classification: A61K,A61P

Abstract:
1. A conjugate of the formula wherein CT denotes a monovalent radical from the group of a cytotoxic radical, a radical of a cytostatic and a radical of a cytostatic derivative, which can each additionally carry a hydroxyl, carboxyl or amino group, LI is a group of formula -AA1-AA2-AA3-AA4 Sp denotes a thiocarbonyl group, x is zero or 1, IA denotes a monovalent non-peptide radical addressing an α  wherein the bond between radical (II) and Sp (if x=1) or LI (if x=zero) is located at one of the following alternatives: or a stereoisomer, hydrate, physiologically acceptable salt, or hydrate of said salt thereof.