為實驗者效勞
Benzoin CAS:119-53-9
250G
L-Histidine hydrochloride 1-hydrate 98.5%, extra pure, Ph Eur, BP
CAS:5934-29-2
Decahydronaphthalene CAS: 91-17-8
Diethylene glycol monoethyl ether CAS: 111-90-0
Barium chloride 2-hydrate CAS:10326-27-9