(2S,4S)-1-(tert-Butoxycarbonyl)-4-(4-(3-methyl-1-phenyl-1H-pyrazol-5-yl)piperazin-1-yl)pyrrolidine-2-carboxylic acid

(3S,4R)-4-Phenyl-1-(phenylmethyl)-3-pyrrolidinecarboxylic acid

tert-Butyl (3R,4S)-4-amino-3-hydroxypiperidine-1-carboxylate

6-Chloroimidazo[1,2-A]pyridine-2-carboxylic acid

3-Fluoro-4-(piperazin-1-yl)benzonitrile

Exatecan Intermediate 2

(6R,6aR,7R,13S,14R,16R,20R)-5-(Acetyloxy)-20-amino-6,6a,7,13,14,16-hexahydro-9-methoxy-8-(methoxymethoxy)-4,10,23-trimethyl-19-oxo-6,16-(epithiopropanoxymethano)-7,13-imino-12H-1,3-dioxolo[7,8]isoquino[3,2-b][3]benzazocine-14-carbonitrile

2-Methyl-1H-indol-4-amine

2-Amino-2-(3,5-dihydroxyphenyl)acetic acid hydrochloride

3-(4-Cyclopropyl-2,5-dioxoimidazolidin-4-yl)propanoic acid

Methyl 3-cyano-2-[[(1,1-dimethylethoxy)carbonyl]amino]propanoate

Methyl 3-aminoquinoline-7-carboxylate

3-Methyl-5-nitropyridin-4-amine

5-Aminomethyl-pyridine-2-carbonitrile dihydrochloride

3-Chloroquinoline-5-carboxylic acid

tert-Butyl 7-amino-1-azaspiro[4.4]nonane-1-carboxylate

4-Hydroxy-6-oxo-5,6-dihydropyridazine-3-carboxylic acid

2-Chloro-5-methylpyridine-3,4-diamine

4-Bromo-3-fluoro-2-iodobenzoic acid

6-Bromo-4-(trifluoromethyl)-3-pyridinemethanamine