Odpowiedzi

2010-03-10T14:27:52+01:00
CH≡C-CH2-CH2-Br---------4-bromo-but-1-yn
CH≡C-CH(Br)-CH3---------3-bromo-but-1-yn
C(Br)≡C-CH2-CH3---------1-bromo-but-1-yn
CH3-C≡C-CH2-Br----------2-bromo-but-2-yn
2010-03-10T14:29:28+01:00