for the following products
Boc-Arg(Mts)-OH | Boc-L-Arg(Mtr)-OH | N-alpha-tert-Butyloxycarbonyl-N'-(4-methoxy-2,3,6-trimethylphenyl-sulfonyl)-L-arginine | N-alpha-tert-Butyloxycarbonyl-N'-(mesitylene-2-sulfonyl)-L-arginine | N-Boc-N'-(4-Methoxy-2,3,6-trimethylbenzenesulfonyl)-L-arginine and Boc-Arg(Mtr)-OH
