Biotin-PEG-acid，BIOTIN-PEG-COOH Biotin (polyethylene glycol) Carboxylicacid Synonym: Biotin PEGacid, Biotin PEG COOH, Carboxylic acid PEG Biotin, HOOC PEG Biotin, Acid PEG Biotin ...

Acrylamide-PEG-acid，ACA-PEG-COOH Acrylamide (polyethylene glycol) Carboxylicacid Synonym: Acrylamide  PEG acid, Acrylamide PEG COOH, Carboxylic acidPEG Acrylamide, HOOC PEG Acrylam...