Supplier Page from Aladdin Scientific Corporation for Rofecoxib
Lubiprostone from Aladdin Scientific Corporation
Methyl 2,3-O-isopropylidene-5-O -(p-tolylsulfonyl)-β-D-ribofuranoside from Aladdin Scientific Corporation
Potassium fluoride from Aladdin Scientific Corporation
Sodium sulfate from Aladdin Scientific Corporation