為實驗者效勞
Biphenyl CAS:92-52-4
500G
Indigo carmine C.I. 73015
CAS:860-22-0
Diacetylmonoxime CAS: 57-71-6
2,6-Di-tert-butyl-4-methylphenol CAS: 128-37-0
Dextrin white CAS: 9004-53-9