00430nam a22001457a 4500020001500000082001200015100001800027245008500045260003500130300000900165490003900174505003000213650003200243650000900275  a9552306655  a547 SIL  aSilva,E.Dilip  aConjugated System and Chemistry of Carbonyl Compounds :Organic Chemistry part 1V  aColombobOpen Universityc1997  a189p  aOrganic chemistry-Part 1V CHU 2221  aBachelor Science :Level 4  aOrganic, chemistry,Carbonyl  aOUSL