Sigma-Aldrich
Boron nitride
氮化硼
牛肝(牛尿液中的 β-激动剂), Bovine liver (beta-agonist)
BR-17-(1,5-DI-ME-HEXYL)-10,13-DI-ME-HEXADECAHYDRO-CYCLOPENTA(A)PHENANTHREN-3-ONE
Branson M series ultrasonic bath
Brass alloy, Cu63Zn37