甲醇

6,6'-bis(α-alanylamino)-2,2'-bipyridine

(2S)-2-(tert-butyl)-3,6-dimethoxy-5-methyl-2,5-dihydropyrazine

Dl-丙氨酸甲酯

1-benzoyl-2-(α‐N‐methylsulfonylaminoethyl)benzimidazole