CAS 2141698-23-7 appears in our catalog under these names: Rel-tert-butyl (3R,4S)-3-(aminomethyl)-4-methylpyrrolidine-1-carboxylate, 98%, rel-1,1-Dimethylethyl (3R,4S)-3-(aminomethyl)-4-methyl-1-pyrrolidinecarboxylate, 95%. Offered by: AmBeed, Fluorochem. Available pack sizes: 1g, 50mg, 100mg, 250mg.