NOVEL PEG DERIVATIVE

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专利权人:

Delta-Fly Pharma; Inc.

发明人:

Kiyoshi ESHIMA,Masakazu FUKUSHIMA

申请号：

US15520956

公开号：

US20170368177A1

申请日:

2015.12.03

申请国别(地区):

US

年份:

2017

代理人:

摘要：

Provided is a new therapeutic agent for a malignant tumor, which is highly safe, sustains an antitumor effect, and can improve the means for administration and the number of times of administration. Disclosed is a compound of Formula (1), or a salt thereof:C[CH2O(CH2CH2O)nCH2CO—R1—R2]4   (1)wherein R1 represents a single bond, —N(R3)(CH2)n1CO—, or —N(R4)(CH2)n2N (R5)CO(CH2)n3CO—；R2 represents a group of Formula (a), (b), (c), (d), (e), or (f):m represents a number of from 10 to 1,000； andan arrow represents a bonding site.

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