5-溴-2-甲基-3-吲哚乙酸乙酯

ethyl 2-(2-methyl-1,3-benzothiazol-3-ium-3-yl)acetate,bromide

(3S,4s)-4-叔丁基氧基羰基氨基-3-羟基-5-苯基戊酸

N-(tert-butoxycarbonyl)-4(S)-amino-3(R)-hydroxy-5-phenylpentanoic acid ethyl ester

ethyl 1-(2-ethoxy-2-oxoethyl)-2-oxocyclohexane-1-carboxylate