NH2-PEG-COOH, 2k
NH2-PEG-COOH, 2k NH2-PEG-COOH, 3.4k NH2-PEG-COOH, 5k NH2-PEG-COOH, 10k
NH2-PEG-MH2, 1k
NH2-PEG-MH2, 1k NH2-PEG-MH2, 2k NH2-PEG-MH2, 3.4k NH2-PEG-MH2, 5k NH2-PEG-MH2, 10k
NH2-PEG-COOH, 2k
NH2-PEG-COOH, 2k NH2-PEG-COOH, 3.4k NH2-PEG-COOH, 5k NH2-PEG-COOH, 10k
NH2-PEG-MH2, 1k
NH2-PEG-MH2, 1k NH2-PEG-MH2, 2k NH2-PEG-MH2, 3.4k NH2-PEG-MH2, 5k NH2-PEG-MH2, 10k