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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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SH), nitro (-NO 2 ), carboxy (-C00H); or R 3 is an A group as above defined; and<br />

M is -(O-CH 2 -CH 2 -)n-Q or -(O-CH 2 -CH 2 -CH 2 -)n-Q or<br />

H<br />

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

Z through a Y linker and n is 1 to 3 ; the Y linker is selected from an amino<br />

acidic residue or a succinic acid or diglycolic acid residue, Z is a scaffold<br />

selected from liposomes, nanoparticles, polymers, dendrimers or dendrons and<br />

az is the functionality of said scaffold Z and it is comprised between 1 and 150,<br />

provided that when in the X moiety R 1 is H, R 2 is methoxy, M is -(0-CH 2 -CH 2 -<br />

) n -Q wherein n is 1 and Y is a succinic acid residue, the Z scaffold is not the<br />

dendrimer of formula<br />

2 . A compound of formula (I) according to claim 1, wherein R 2 is methoxy or is<br />

-NHR 3 , wherein R 3 is an A group selected among cyclopropan, cyclohexil,<br />

phenyl, benzyl or benzyl meta or para substituted with methoxy (-OCH 3 ), nitro<br />

(-NO 2 ), carboxy (-COOH), methylester (-COOCH 3 ), methyl (-CH 3 ), methoxy (-

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