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4-Methoxy-3-oxo-pentanenitrile

2-Amino-4-methyl-benzaldehyde

3-(2-Tert-butoxycarbonylamino-2-imino-ethyl)-benzoic acid

2-[4-(2-Amino-ethyl)-phenyl]-acetamidine

4-Carbamimidoylmethyl-benzoic acid hydrochloride

4-(2-Tert-butoxycarbonylamino-2-imino-ethyl)-benzoic acid

1H-indole-5-carboxamidine hydrochloride

4-Methyl-benzamidine

3,4,5-Trimethoxy-benzamidine hydrochloride

2,3,4-Trimethoxy-benzamidine