Asemselsay
Apparence
![](http://chped.net/https/upload.wikimedia.org/wikipedia/commons/thumb/4/42/Octane_Substitution_Structural_Formulae_V.2.svg/250px-Octane_Substitution_Structural_Formulae_V.2.svg.png)
Asemselsay deg takrudert d abelkim neɣ d ibelkimen dgi yettwales (yettubeddel) ubelkim n uhidṛujin deg tezrart n uhidṛukaṛbun
Yettusexdem timedfert AY (yennumken: Yettwaqqnen ar) i wsiseɣ (i wsemmi) n uddisen igmanen ilan (yesɛan) turza neɣ tuqqna tamyiwent tasemselsayt i wbelkim n uhidṛujin, U tettusexdem Ylidene neɣ Ylydine i senfali ɣef turza tamsint de turza tamkṛadt ɣef tikkelt