為實驗者效勞
Barium nitrate CAS:10022-31-8
500G
Diethyl ether CAS: 60-29-7
Potassium permanganate
CAS:7722-64-7
Diethylene glycol monoethyl ether CAS: 111-90-0
CAS:57-55-6
1,2-Propylene glycol, extra pure, Pharmpur®, Ph Eur, BP, USP