Lub tuam txhab tau coj tawm qee cov qauv khoom siv rau kev tshawb fawb, kev tsim kho thiab kev tsim khoom.Cov qauv nqi ntawm cov haujlwm no yog dawb.Ntau tshaj 300 cov qauv tshuaj, txais tos tuaj koom.
Kev xa khoom ntawm CBD cov khoom siv ï¼¹ Ua txhaum los ntawm cov txheej txheem ib txwm ua thiab siv txoj kev sib txuas tshiab, cov ntsiab lus ntawm cov khoom tau nce, thiab tus nqi qis dua li cov txheej txheem qub.
Carboxybenzaldehyde muaj cov khoom ntawm aldehyde thiab acid. Nws tuaj yeem tsim rau hauv ester nrog cawv, txo rau Ag (NH3) 2NO3, thiab tsim rau hauv oxime nrog H2NOH. Kub mus rau qhov melting point ...
Methyl 4-toluenesulfonate, tseem hu ua methyl p-toluenesulfonate (methylp-toluenesulfonate), yog ib qho tseem ceeb ntawm cov organic chemical intermediate, feem ntau yog siv hauv kev tsim cov dyes thiab organic ...
