4-氯-5-乙基-吡咯并[2,1-f][1,2,4]三嗪-6-羧酸乙酯

Ethyl 5-ethyl-4-hydroxypyrrolo[1,2-f][1,2,4]triazine-6-carboxylate

2-[4-(二甲基氨基)亚苄基]-1H-茚-1,3(2H)-二酮

ethyl 2-cyano-2-prop-2-enylpent-4-enoate

ethyl 5-propan-2-yl-1,3-oxazole-4-carboxylate