4-methyl-3-oxopentanal

1,1-二乙氧基环戊烷

6-氯-1H-咪唑并[4,5-c]吡啶

6,6-dimethyl-5-(4-methylphenyl)-3,5-dihydrofuro[2,3-d]pyrimidin-4-one

1H-咪唑并[4,5-b]吡嗪