| abstract |
A drug conjugate having the formula [D-(X) b -(AA) w -(T) g -(L)-] n -Ab wherein D is the following formula (I) or a pharmaceutically acceptable a drug moiety having possible salts, esters, solvates, tautomers or stereoisomers, (I) wherein D is covalently bonded to (X) b when present, or (AA) w when present, or (T) g when present, or (L) covalently; It is useful in the treatment of cancer. |