為實驗者效勞
1-Butanol CAS:71-36-3
2.5L
Diacetylmonoxime CAS: 57-71-6
Potassium permanganate
CAS:7722-64-7
Diethyl ether CAS: 60-29-7
Barium chloride 2-hydrate CAS:10326-27-9