3,5-dihydro-fluoreno[2,3-d]oxazol-2-one

2-amino-9H-fluoren-3-ol hydrochloride

3-羟基芴

nitric acid,(7-oxo-1,8-naphthyridin-8-id-2-yl)azanide,2-piperidin-1-id-2-ylpiperidin-1-ide,6-piperidin-1-id-2-yl-2H-pyridin-1-ide,platinum

2-(phenylhydrazinylidene)-9H-fluoren-3-one