Formamdine disulfide dihydrochloride

N-1-Boc-3-phenylpiperazine

(S)-1-N-Boc-2-methylpiperazine

(R)-1-N-Boc-2-methylpiperazine

5-(Trifluoromethyl)oxindole

5-Nitro-2,3,3-trimethylindolenine

5-Chloroindole-3-carboxylic acid

3-Methylisatoic anhydride

Cyclo-isopropylidene dibromomalonate

Ethyl 5-hydroxyindole-2-carboxylate

Ethyl 3-ethoxy-3-iminopropionate hydrochloride