Materials Science

17-(Bromoacetamido-PEG6-ethylcarbamoyl)heptadecanoic t-butyl ester is a PEG derivative containing a bromide group and a t-butyl protected carboxyl group. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The

17-(Bromoacetamido-PEG6-ethylcarbamoyl)heptadecanoic t-butyl ester is a PEG derivative containing a bromide group and a t-butyl protected carboxyl group. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The

17-(Bromoacetamido-PEG6-ethylcarbamoyl)heptadecanoic t-butyl ester is a PEG derivative containing a bromide group and a t-butyl protected carboxyl group. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The

17-(Bromoacetamido-PEG9-ethylcarbamoyl)heptadecanoic acid is a PEG derivative containing a bromide group and a carboxylic acid group. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The terminal carboxylic acid

17-(Bromoacetamido-PEG9-ethylcarbamoyl)heptadecanoic acid is a PEG derivative containing a bromide group and a carboxylic acid group. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The terminal carboxylic acid

17-(Bromoacetamido-PEG9-ethylcarbamoyl)heptadecanoic t-butyl ester is a PEG derivative containing a bromide group and a t-butyl protected carboxyl group. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The

17-(Bromoacetamido-PEG9-ethylcarbamoyl)heptadecanoic t-butyl ester is a PEG derivative containing a bromide group and a t-butyl protected carboxyl group. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The

17-(Bromoacetamido-PEG9-ethylcarbamoyl)heptadecanoic t-butyl ester is a PEG derivative containing a bromide group and a t-butyl protected carboxyl group. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The

17-(Bromoacetamido-PEG9-ethylcarbamoyl)nonanoic t-butyl ester is a PEG derivative containing a bromide group and a t-butyl protected carboxyl group. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The t-butyl

17-(Bromoacetamido-PEG9-ethylcarbamoyl)nonanoic t-butyl ester is a PEG derivative containing a bromide group and a t-butyl protected carboxyl group. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The t-butyl

17-(Bromoacetamido-PEG9-ethylcarbamoyl)nonanoic t-butyl ester is a PEG derivative containing a bromide group and a t-butyl protected carboxyl group. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The t-butyl

17-(Bromoacetamido-PEG9-ethylcarbamoyl)pentanoic t-butyl ester is a PEG derivative containing a bromide group and a t-butyl protected carboxyl group. The bromide (Br) is a very good leaving group for nucleophilic substitution reactions. The t-butyl