Supplier Page from Thermo Fisher Scientific for Diphenylsilane, 97%
4-Bromobutyric acid, 98% from Thermo Fisher Scientific
Diethyl carbonate, 99% from Thermo Fisher Scientific
Oxytetracycline dihydrate, 95% from Thermo Fisher Scientific
Semicarbazide hydrochloride, 99+% from Thermo Fisher Scientific