Supplier Page from Aladdin Scientific Corporation for 2-Bromo-9,9'-spirobi[9H-fluorene]
1,2,3-Trifluorobenzene from Aladdin Scientific Corporation
2-Pyridylamidoxime from Aladdin Scientific Corporation
Fluorescein PEG NHS, FITC-PEG-NHS from Aladdin Scientific Corporation
Potassium chromate from Aladdin Scientific Corporation