English name:Dibenzo[b,d]furan Molecular formula:C12H8O Molecular weight:168.19132
English name:2,7-Dinitro-9H-fluorene Molecular formula:C13H8N2O4 Molecular weight:256.21362
English name:9,9'-Spirobi[fluorene] Molecular formula:C25H16 Molecular weight:316.39454
English name:9H-Fluoren-9-ol Molecular formula:C13H10O Molecular weight:182.2179