Supplier Page from Aladdin Scientific Corporation for (5R,6S)-Allyl 6-((R)-1-((tert-butyldimethylsilyl)oxy)ethyl)-7-oxo-3-((R)-tetrahydrofuran-2-yl)-4-thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate
3-Bromophenylacetonitrile from Aladdin Scientific Corporation
5-Amino-2-methylbenzothiazole dihydrochloride from Aladdin Scientific Corporation
Butyl 2,2-difluorocyclopropanecarboxylate from Aladdin Scientific Corporation
Nonylphenol from Aladdin Scientific Corporation