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2arm branched PEG, -(CH2)3-NH2, Mw 40,000 [100mg amber glass bottle]
2arm branched PEG, -(CH2)3-NH2, Mw 20,000
Package size: 100mg or 1g
2arm branched PEG, -(CH2)3-NH2, Mw 60,000
2arm branched PEG, -(CH2)3-NH2, Mw 80,000