(1Z)-2-(4,5-Dichloro-1H-imidazol-1-yl)-N′-hydroxyethanimidamide

(2-Cyclopropylethyl)hydrazine hydrochloride

(2-Nonen-1-yl)succinic anhydride

(2-壬烯-1-基)琥珀酸酐

(2,5-Dimethyl-1,3-oxazol-4-yl)acetic acid

(2R, 3R)-3-(Boc-amino)-2-methyl-3-phenylpropionic acid

(2R, 3R)-3-(Boc-氨基)-2-甲基-3-苯基丙酸

(2R,4R)-N-(4-Chlorophenyl)-2-formyl-4-methoxy-N-(4-methoxybenzyl)-1-pyrrolidinecarboxamide

(2R)-2-([2-[(tert-Butoxycarbonyl)amino]-2-methylpropanoyl]amino)-3-[(2,4-difluorobenzyl)oxy]propanoic acid

(2R)-N-[(1R)-1-(Hydroxydiphenylmethyl)-3-methylbutyl]-2-pyrrolidinecarboxamide

(2S,4S)-1-(tert-Butoxycarbonyl)-4-[(2-methyl-8-quinolinyl)oxy]-2-pyrrolidinecarboxylic acid

(2S,4S)-1-(tert-Butoxycarbonyl)-4-(2,4,6-trifluorophenoxy)-2-pyrrolidinecarboxylic acid

(2S,5R)-1-(4-Fluorobenzyl)-2,5-dimethylpiperazine

(2S)-2-([[Benzyl(methyl)amino]carbonyl]amino)-3-(1-trityl-1H-imidazol-4-yl)propanoic acid

(3-Ammoniopropyl)di-tert-butylphosphonium bis(tetrafluoroborate)

(3-Oxo-1-propyl-2-piperazinyl)acetic acid

(3,5-Dimethyl-4-isoxazolyl)(2-fluorophenyl)methanol