為實驗者效勞
Bromobenzene CAS:108-86-1
250ML
L-Histidine hydrochloride 1-hydrate 98.5%, extra pure, Ph Eur, BP
CAS:5934-29-2
Diethyl ether CAS: 60-29-7
Potassium permanganate
CAS:7722-64-7
CAS:1310-73-2