ethyl 3-nitroimidazo[1,2-a]pyridine-2-carboxylate

2-羟基-2-甲基-4-戊酸乙酯

丙酮酰胺

1-[1,1-bis(4-methylphenyl)ethyl]-4-methylbenzene

5-hydroxy-3-methyl-1,4-benzoxazin-2-one