13-bromo-2 5 8 11-tetraoxatridecane July 8, 2019 16 32 64 128 13-bromo-2 5 8 11-tetradecane 1 2 3 tribromobenceno 2 3 4-tribromohexane 2 5 8-trioxanonane 2 5 8 11-tetraoxatridecan-13-ol