2-Hydroxyethyl methacrylate HEMA CAS 868-77-9 yotumiza mwachangu
2-Hydroxyethyl acrylate 818-61-1
Hydroxypropyl acrylate cas 25584-83-2 wogulitsa fakitale
Selenium dioxide cas 7446-08-4 wogulitsa fakitale
Sodium ascorbate CAS 134-03-2 pamtengo wabwino
Neodymium trifluoride cas 13709-42-7 wogulitsa fakitale
Zirconium nitride cas 25658-42-8 ndi mtengo wabwino kwambiri
Zirconium carbide CAS 12070-14-3 wogulitsa fakitale
Ogulitsa Hafnium carbide cas 12069-85-1 mtengo fakitale
Wopereka fakitale Molybdenum carbide cas 12627-57-5
kupanga katundu Boron carbide cas 12069-32-8
Graphene micronano graphene