L-缬氨酸

2,5-dimethoxy-3-methyl-6-propan-2-ylpyrazine

(3R,8aS)-3,5,6,7,8,8a-hexahydro-3-isopropyl-2-methoxy-8a-methylpyrido<2,3-b>pyrazine

(2R,5S)-2-(3-aminopropyl)-2,5-dihydro-5-isopropyl-3,6-dimethoxy-2-methylpyrazine

(2R,5S)-2-(3-brompropyl)-2,5-dihydro-5-isopropyl-3,6-dimethoxy-2-methylpyrazine