2-difluoroacetyl-1,3-cyclohexadione

2-amino-3-(benzenesulfonyl)-1-(3-propan-2-yloxypropyl)-6H-pyrrolo[2,3-d]pyridazin-7-one

3-溴-3-环己烯酮缩乙二醇

1-prop-2-enyl-6,7-dihydro-5H-indol-4-one

7-bromo-1,4-dithiaspiro[4.5]dec-6-ene