methyl (Z)-N6-(N,N'-bis(tert-butoxycarbonyl)carbamimidoyl)-L-lysinate

(2R,3R,Z)-1-(tert-butoxycarbonyl)-4-ethylidene-3-methylpyrrolidine-2-carboxylic acid

(R)-tert-butyl but-2-ynyl(1-hydroxybut-3-en-2-yl)carbamate

(2R,3R,Z)-tert-butyl 4-ethylidene-2-((S)-1-methoxy-4-methyl-1-oxopentan-2-ylcarbamoyl)-3-methylpyrrolidine-1-carboxylate

DL-Lysine, methyl ester, monohydrochloride