Patent ID: 7786134

Claim:
A compound having the formula R-A-D wherein, R is a lipophilic moiety selected from the group consisting of: (a) substituted and unsubstituted alkyl, (b) substituted and unsubstituted branched alkyl, (c) substituted and unsubstituted heteroalkyl, (d) substituted and unsubstituted cycloalkyl, (e) substituted and unsubstituted alkenyl, (f) substituted and unsubstituted alkynyl, (g) substituted and unsubstituted aryl, and (h) substituted and unsubstituted aralkyl; A is —C(═O)CH 2 CH 2 C(═O)—; and D is an anticancer drug moiety, wherein the drug is camptothecin or a derivative thereof.