Supplier Page from Aladdin Scientific Corporation for (±)-Metoprolol (+)-tartrate salt
2-Pyridylamidoxime from Aladdin Scientific Corporation
4-(4-Bromo-1H-pyrazol-1-yl)-N,N-diethylbenzenesulfonamide from Aladdin Scientific Corporation
6-Hydrazinoimidazo[1,2-b]pyridazine from Aladdin Scientific Corporation
Ethyl chlorofluoroacetate from Aladdin Scientific Corporation