Supplier Page from Aladdin Scientific Corporation for α-Angelicalactone
2-oxa-5,8-diazaspiro[3.5]nonane dihydrochloride from Aladdin Scientific Corporation
5-Amino-2-methylbenzothiazole dihydrochloride from Aladdin Scientific Corporation
6-chloro-5-methyl-1h-pyrimidin-4-one from Aladdin Scientific Corporation
Tazobactam acid from Aladdin Scientific Corporation