邻氨基苯甲酸

9-氯-2-甲氧基吖啶

9-amino acridine

9-carboxamido-3,4-dihydro-1H-acridin-2-one 10-oxide ethylene acetal

4-hydroxy-9-methoxycarbonylamino-3,4-dihydro-1H-acridin-2-one ethylene acetal