(3Z,6Z)-3-[(5-叔丁基-1H-咪唑-4-基)亚甲基]-6-(苯亚甲基)-2,5-哌嗪二酮

3-叔丁基-4-乙氧羰基咪唑

Ethyl 5-tert-butyl-1,3-oxazole-4-carboxylate

(9ci)-5-(1,1-二甲基乙基)-1H-咪唑-4-羧酸

ethyl 2-(4-chlorophenoxy)-4,4-dimethyl-3-oxopentanoate