-
![12- Crown Ether -4]()
12- Crown Ether -412-Crown-4 (12-crown-4) yog cov organic compound uas muaj nyob rau hauv lub crown ether tsev neeg nrog ib tug molecular mis ntawm C8H16O4 thiab molecular hnyav ntawm 176.21 g / mol. Crown ether yogNtau -
![15- Crown Ether -5]()
15- Crown Ether -515-crown-5 yog ib yam tshuaj uas muaj cov qauv molecular ntawm C10H20O5, molecular hnyav 220.26 g/mol, thiab CAS tus naj npawb ntawm 33100-27-5. Nws belongs rau qeb ntawm yas ether tebchaw, uas muajNtau -
![18- Crown Ether -6]()
18- Crown Ether -618-crown-6 yog ib qho organic compound nrog formula C12H24O6. Nws belongs rau cov chav kawm macrocyclic ether, uas yog lub nplhaib loj hauv cov qauv molecular, nrog ntau cov pa atoms faib rau ntawmNtau -
![Dibenzo-18-crown-6]()
Dibenzo-18-crown-6Dibenzo-18-crown ether-6, tshwj xeeb, yog lub nplhaib qauv tsim los ntawm ob lub nplhaib benzene los ntawm 18 carbon atoms thiab 6 oxygen atoms, ntawm 6 oxygen atoms nyob ntawm lub nplhaib, sib nrug,Ntau
Raws li ib qho ntawm cov ua lag luam thiab cov muag khoom nyob rau hauv Suav teb, peb sov siab txais tos koj mus yuav cov purity yas ether ua nyob rau hauv Suav teb nov los ntawm peb lub hoobkas. Tag nrho cov khoom siv tshuaj muaj txiaj ntsig zoo thiab cov nqi sib tw.
Xa kev nug