prov:value
| - ,CONR2, (CH2)nOH, CH2F, CHF2 and CF3; wherein n is an integer and R is selected from the group consisting of ???H, deuterium and alkyls, alkoxys and aryls of 1-6 carbon atoms, polyoxymethylene, monoalkylated polyoxymethylene, polyethylene imine, polyamide, polyester, alkylated silyl, hetero-oligo/polyaminoacid and polyethylene glycol (FIGS. 3 and 4). [0089] Mass modifying functionalities, may also
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