Supplier Page from Aladdin Scientific Corporation for 1-Azido-2-hydroxy-3-tosyloxypropane
2-oxa-5,8-diazaspiro[3.5]nonane dihydrochloride from Aladdin Scientific Corporation
3-Bromophenylacetonitrile from Aladdin Scientific Corporation
3-Propyl-3-(2,3,5,6-tetrafluoro-4-(trifluoromethyl)phenyl)-1,5-dioxaspiro[5.5]undecane-2,4-dione from Aladdin Scientific Corporation
Tazobactam acid from Aladdin Scientific Corporation