Supplier Page from Aladdin Scientific Corporation for (2R,3S)-E1R
2,4-Difluorobenzenesulfonamide from Aladdin Scientific Corporation
4-(4-Bromo-1H-pyrazol-1-yl)-N,N-diethylbenzenesulfonamide from Aladdin Scientific Corporation
Harringtonine from Aladdin Scientific Corporation
tert-Butyl vinylcarbamate from Aladdin Scientific Corporation