ethyl 4-[(E)-2-(dimethylamino)vinyl]pyrimido[1,2-a]benzimidazole-3-carboxylate

1-(2-hydroxyethyl)-2-methylpyrimido[1,2-a]benzimidazol-4(1H)-one

ethyl 2-benzoylpentanoate

ethyl 2-acetylpentanoate

2-丙基乙酰乙酸乙酯

N-(6-ethoxy-4-methylquinazolin-2-yl)guanidine

ethyl [4-(4-chlorophenyl)-2,4-dimethyl-3,4-dihydroquinolin-1(2H)-yl](oxo)acetate

ethyl 2-methyl-6-(4-nitrophenyl)nicotinate

methyl (2Z,4E)-2-(aminocarbonyl)-5-(dimethylamino)-3-pyridin-4-ylpenta-2,4-dienoate

10-phenyl-3,4,9,10-tetrahydrobenzo[b]cyclopenta[e][1,4]diazepin-1(2H)-one

6-(chloromethyl)-N-(3,4-dimethylphenyl)-1,3,5-triazine-2,4-diamine

methyl 3-(5-hydroxy-1H-1,2,4-triazol-3-yl)propanoate