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W0 2011/000721 A1 I||||||||||||||||||||||||||||||||||||||||||||||||||||||||| - Questel

W0 2011/000721 A1 I||||||||||||||||||||||||||||||||||||||||||||||||||||||||| - Questel

W0 2011/000721 A1 I||||||||||||||||||||||||||||||||||||||||||||||||||||||||| - Questel

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alkyl chain, C1-C8 linear or branched, saturated or unsaturated alkoxy carbon<br />

chain, hydroxyalkyl, such as hydroxymethyl (-CH2OH), amino (-NH 2 ), thiol (-<br />

SH), nitro (-NO 2 ), carboxy (-COOH); or R 3 is an A group as above defined and<br />

H<br />

wherein Q is selected from — N — , -S- or -O- and it is linked to the scaffold<br />

Z through the Y linker, provided that when in the X moiety R 1 is H, R 2 is<br />

methoxy, M is -(O-CH 2 -CH2-) n -Q wherein n is 1 and Y is a succinic acid<br />

residue, the Z scaffold is not the dendrimer of formula<br />

4. A compound according to any of the preceding claims, wherein the<br />

linker Y is a succinic acid residue, provided that when in the X moiety<br />

R 1 is H, R 2 is methoxy, M is -(O-CH 2 -CH 2 -) n -Q wherein n is 1 and Y is a<br />

succinic acid residue, the Z scaffold is not the dendrimer of formula<br />

2 > >

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