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(S)-2-amino-n-isopropyl-n-pyridin-4-ylmethyl-propionamide

(S)-2-amino-n-cyclopropyl-n-pyridin-4-ylmethyl-propionamide

(S)-2-amino-3-methyl-n-pyridin-4-ylmethyl-butyramide

(S)-2-amino-n-isopropyl-3-methyl-n-pyridin-4-ylmethyl-butyramide

(S)-2-amino-3,n-dimethyl-n-pyridin-4-ylmethyl-butyramide

2-[(Pyrazin-2-ylmethyl)-amino]-ethanol

(S)-2-amino-n-cyclopropyl-3-methyl-n-pyridin-4-ylmethyl-butyramide

2-(Methyl-pyrazin-2-ylmethyl-amino)-ethanol

2-(Isopropyl-pyrazin-2-ylmethyl-amino)-ethanol

2-(Cyclopropyl-pyrazin-2-ylmethyl-amino)-ethanol