CPC C07J 43/003 (2013.01) [G01N 33/6848 (2013.01); G01N 2333/98 (2013.01); G01N 2800/065 (2013.01)] | 25 Claims |
1. A compound having the following structure:
![]() wherein:
R1 is OH, ester group, ether group, or a group containing an alkynyl or azido functionality;
R2 is H, OH, ester group, ether group, or a group containing an alkynyl or azido functionality;
R3 is a group selected from the group consisting of
![]() wherein X is a halogen atom; and
R4 is H, OH, ester group, ether group, or a group containing an alkynyl or azido functionality;
wherein one of R1, R2 and R4 is a group containing an alkynyl or azido functionality.
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