Patent ID: 8884008

Claim:
A compound of Formula VI: wherein, R 7 is hydrido, N-succinyl, or substituted or non-substituted alkyl radical; P 1 is selected from hydrido, t-butoxycarbonyl, (9H-fluoren-9-yl)methoxy-carbonyl, substituted or non-substituted benzyloxycarbonyl, and substituted or non-substituted arylsulfonyl radical; P 2 is selected from hydrido, t-butoxycarbonyl, (9H-fluoren-9-yl)methoxy-carbonyl, substituted or non-substituted benzyloxycarbonyl, substituted alkyloxycarbonyl, substituted or non-substituted alkyl, amidinyl, 1,3-bis(t-butoxy-carbonyl)amidinyl, 1,3-bis-(benzyloxycarbonyl)amidinyl radical; and, L 1 is a linker represented by Formula V: wherein, Q 1 and Q m are substituted or non-substituted methylene radical, and Q m is directly linked to the amino radical; Q 2 , Q 3 , . . . , and Q m-1 are independently selected from substituted or non-substituted methylene, oxygen, sulfur, and substituted or non-substituted amino radical; and, m is an integer from 2 to 15.