英文别名DNP-PEG2-acid; DNP-NH-PEG2-C2-acid; DNP-PEG2-COOH; 3-[2-[2-(2,4-dinitroanilino)ethoxy]ethoxy]propanoic acid; 3-[2-[2-[(2,4-Dinitrophenyl)amino]ethoxy]ethoxy]propanoic Acid; DNP-NH-PEG2-CH2CH2COOH; Propanoic acid, 3-[2-[2-[(2,4-dinitrophenyl)amino]ethoxy]ethoxy]-