1 4 vs 1 2 addition July 8, 2019 16 32 64 128 1 4 1 2 addition 1 2 vs 1 4 addition carbonyl 1 2 vs 1 4 conjugate addition 1 2 and 1 4 michael addition 1 2 and 1 4 nucleophilic addition 1 2 en 1 4 additie 1 plus 1 2 2 plus 2 4 4 plus 4 8 original
