2,3-二氧代-2,3-二氢-1H-吲哚-5-磺酰氯

1,2-dimethylcyclobutene

1-硝基-2-[(三氟甲基)硫代]苯

3,4,5,6-四氟邻苯二腈

(1,1-dioxothiolan-2-yl)-phenylmethanone