Asosiy kontentga oʻtish
← Ishga qaytish

Ushbu ish iqtibos qilgan ishlar

4 ta ish

Ish: Sulfonation of 4′-acetyl-, 4′-(tert-butyl)-dibenzo-18-crown-6 and (dibenzo-18-crown-6)-4′-sulfonic acid with potassium sulfate in polyphosphoric acid