polyfunctional net
1chemical compound — Introduction any substance composed of identical molecules consisting of atoms (atom) of two or more chemical elements (chemical element). All the matter in the universe is composed of the atoms of more than 100 different chemical elements …
2Peroxyde d'acétone — Structure du peroxyde d acétone Général Nom IUPAC 3,3,6,6 tétraméthyl 1,2,4,5 tétraoxane (dimère) …
