Patent ID: 7572883

Claim:
A compound of the formula (II), wherein: X is H, Cl, Br, I, F, —CN, or C 1-5 alkyl; R1 is C 1-4 alkyl, H, allyl, alkenyl or —CN; R2 and R3, each are, independently H or absent, provided that R2 and R3 are not both absent; R4 is H or —CH 3 ; R5 is C 1-5 alkyl group, or a group of the formula of —(CH 2 ) r N(CH 3 ) q ; Y is —O—, —C(O)—, —S—, —SC(O)—, —OC(O)—, —N(R6)-C(O)—, —N(R7)-, or —N(R8)-(CH 2 ) s —C(O)—; R6, R7, R8, R9 and R10 each is, independently, H or C 1-5 alkyl; L is —(CH 2 ) p —C(O)—, when Y is —S—, —O— or —N(R7)-; L is —C(O)—(CR9R10) q -C(O)—, when Y is —N(R7)-, —O—, or —S—; L is -(Doc) t -, when Y is —C(O)—, SC(O)—, —OC(O)—, —N(R8)-(CH 2 ) s -C(O)—, or —N(R6)-C(O)—; m is 0 or 1; n is 2-10; r is 1-8; q is 2-4; p is 1-10; s is 1-10; t is 1-10; and z is somatostatin analog or a moiety comprising —H, —OH, (C 1 -C 6 )alkoxy, arylalkoxy, —NH 2 , or —NR9R10; or a pharmaceutically acceptable salt thereof.