Cephaeline is a novel and potent alkaloid

Amino-PEG10-acid is a novel and potent PEG analogue

Fmoc-PEG12-NHS ester is a novel and potent PEG analogue

FLAG peptide is a novel and potent eight amino acids peptide

N-(m-PEG4)-N’-(azide-PEG3)-Cy5 is a novel and potent PEG analogue

Bis-(N,N’-carboxyl-PEG4)-Cy5 is a novel and potent PEG analog

Fmoc-NH-PEG12-CH2COOH is a novel and potent PEG analogue

Propargyl-PEG17-methane is a novel and potent PEG analogue

Amino-PEG12-alcohol is a novel and potent PEG analogue

Methionine is a novel and potent L-amino acid