Supplier Page from Aladdin Scientific Corporation for Parecoxib
2-Hydroxynicotinaldehyde from Aladdin Scientific Corporation
D-Mannono-1,4-lactone from Aladdin Scientific Corporation
Methyltetrazine-PEG12-t-butyl ester from Aladdin Scientific Corporation
t-Boc-aminooxy-PEG3-propargyl from Aladdin Scientific Corporation