3-(2-苯并噻吩基)-3-氧代丙酸乙酯

4-hydroxypyrano[3,2-b]pyridin-2-one

3-Chloro-N,N-dipropylbenzamide

ethyl 2-(5-methylpyridin-2-yl)acetate

3-O-tert-butyl 1-O-ethyl 2-methylpropanedioate