prov:value
| - l-C1-C8-alkyl, or, in the case of NR3R4, together with R3 and the nitrogen atom carrying them is a 5-6-membered heterocyclic ring which can additionally contain another hetero atom selected from O, S and N; p is an integer from 1 to 100; q is an integer from zero to 22; R5 is hydrogen or a functional group such as hydroxyl, amino, NHR7, COOH, CONH2, COOR8or halogen, in which R7 is C1-C6-alkyl and
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