為實驗者效勞
4-(Dimethylamino)-benzaldehyde CAS: 100-10-7
Diethylene glycol monoethyl ether CAS: 111-90-0
Diethylamine CAS: 109-89-7
Dibutyl ether CAS: 142-96-1
Potassium permanganate
CAS：7722-64-7
