3-(3,4,5-trimethoxyphenyl)-[1,2,4]triazolo[4,3-a]pyridine

1-氧代-1-(2-(吡啶-2-基)肼)丙烷-2-基氨基甲酸-(S)-叔丁酯

1-氧代-1-(2-(吡啶-2-基)肼)丙烷-2-基氨基甲酸-(R)-叔丁酯

1-([1,2,4]噻唑o[4,3-a]吡啶-3-基)乙基氨基甲酸-(S)-叔丁酯

1-([1,2,4]噻唑o[4,3-a]吡啶-3-基)乙基氨基甲酸-(R)-叔丁酯