英文别名NH-bis(PEG2-C2-Boc); NH-bis(PEG2-t-butyl ester); NH-(PEG2-t-butyl ester)2; 4,7,13,16-Tetraoxa-10-azanonadecanedioic acid, 1,19-bis(1,1-dimethylethyl) ester; 1,19-di-tert-butyl 4,7,13,16-tetraoxa-10-azanonadecanedioate; tert-butyl 3-[2-[2-[2-[2-[3-[(2-methylpropan-2-yl)oxy]-3-oxopropoxy]ethoxy]ethylamino]ethoxy]ethoxy]propanoate; Di-tert-butyl 4,7,13,16-Tetraoxa-10-azanonadecane-1,19-dioate; NH-(PEG2-t-butylester)2; NH-bis(PEG2-tert-butyl ester); HN-(PEG2-CH2CH2COOtBu)2 
