9. он CH3 MgCl HON in CREH CHICHO MACI А ча. _ 2. Hgo? 10. Br Ma, Mg Br , i 1. CHBS=C ? с 2. Нао PCC HO - 30
Posted: Wed Dec 15, 2021 10:51 am
9. он CH3 MgCl HON in CREH CHICHO MACI А ча. _ 2. Hgo? 10. Br Ma, Mg Br , i 1. CHBS=C ? с 2. Нао PCC HO - 30