Supplier Page from Aladdin Scientific Corporation for β-chamigrenic acid
2-(3-Chloropropoxy)tetrahydro-2H-pyran from Aladdin Scientific Corporation
5-Bromo-2-methylamino-3-nitro-4-picoline from Aladdin Scientific Corporation
Guanidine Sulfamate from Aladdin Scientific Corporation
Tazobactam acid from Aladdin Scientific Corporation