6,7-dihydro-9,10-methylenedioxypyrrolo[3,2,1-de]phenanthridine-4,5-dione

胡椒酸酰氯

6-溴苯并[d][1,3]二氧代-5-羧酸

6-溴苯并[d][1,3]二氧代-5-羰酰氯