英文别名Bis-PEG-acid; 4,7,10,13,16,19,22,25,28,31,34,37,40,43,46,49,52-Heptadecaoxapentapentacontane-1,55-dioic acid; Polyethylene glycol bis(2-carboxyethyl) ether; Bis-PEG17-acid; Bis-PEG18-acid; Bis-PEG11-COOH; Bis-PEG13-COOH; Poly(oxy-1,2-ethanediyl), α-(2-carboxyethyl)-ω-(2-carboxyethoxy)- 
