3-(溴甲基)喹喔啉-2(1H)-酮

2-氨基-4-噁唑羧酸甲酯

2-氨基噻唑-4-甲酸甲酯

methyl 2-oxo-3-(triphenyl-λ⁵-phosphanylidene)propanoate

Methyl 8-(trifluoromethyl)imidazo[1,2-a]pyridine-2-carboxylate