| 主权项 |
1. A polymeric compound of Formula (I): wherein: each Y is independently: —NH2,
—NH—C(═O)CH3, ora protecting group; each X is independently: —OH,
—O—C(R1R2)—O—(CH2—CH2—O)x—(CH2)y—R3, or—O—C(R1R2)—O-D; orprovided that at least one X is not —OH; p is 2 or more; x and y are each independently an integer from 1 to 10; each T is independently a terminal moiety; R1 and R2 are each independently H, a substituted C1-6 alkyl group, an unsubstituted C1-6 alkyl group, a substituted C5-6 heteroalkyl group, or an unsubstituted C5-6 heteroalkyl group; R3 is —NH2, —C(═O)—R4, or —NH2—C(═O)—R4; and R4 is D, a C1-6 alkyl group, or a C1-6 alkyl group substituted with one or more halogen atoms; and D is a drug moiety. |
