Supplier Page from Aladdin Scientific Corporation for Trimethylsilyl Isocyanate
DBCO-C3-PEG4-amine from Aladdin Scientific Corporation
Potassium methoxide solution from Aladdin Scientific Corporation
Sodium sulfate from Aladdin Scientific Corporation
Trifluoroacetic acid - Triethylamine 2M:2M solution from Aladdin Scientific Corporation