Lonakan, osu kan si meta gbodo waye laarin oogun lilo akoko ti osu maarun si mejila yoo tele ki o to lo oogun ti o kehin.. 
Elbs reaction jẹ́  ìṣètò  ìdàpapọ̀ ṣiṣẹ́ organic tí ó ṣàpèjúwe pyrolysis ti ortho methyl tí wọ́n fi rọ́pò benzophenone lati yọ omi kúrò nínú polyaromatic.. 