為實驗者效勞
Bromobenzene CAS:108-86-1
250ML
Diacetylmonoxime CAS: 57-71-6
CAS:57-55-6
1,2-Propylene glycol, extra pure, Pharmpur®, Ph Eur, BP, USP
Diethylene glycol monobutyl ether CAS: 112-34-5
Diethylene glycol CAS: 111-46-6