為實驗者效勞
Benzoic acid CAS:65-85-0
500G
Diethylamine CAS: 109-89-7
Diethyl ether CAS: 60-29-7
Indigo carmine C.I. 73015
CAS:860-22-0
L-Histidine hydrochloride 1-hydrate 98.5%, extra pure, Ph Eur, BP
CAS:5934-29-2