Patent ID: 11897911
Assignee: SANOFI
Field: Organic fine chemistry (Chemistry)
Classification: CPC A  C | IPC C

Claim 3:
4. The compound of formula (I) according to claim 1, wherein Y is NR1 with R1 being —[C(═O)]m-R2-(O—CH2-CH2)p-R3, wherein:
m is an integer of 0 or 1,
p is an integer ranging from 0 to 10,
R2 is a (C1-C20) alkylene group,
and
R3 is a cell targeting moiety,
X1 and X2 are each, independently, a hydrogen atom, or a (C1-C6) alkyl group, and
each of Ra, Rb, Rc and Rd is, independently, H or a (C1-C6) alkyl group.