2 5 8 11-tetraoxadodecane July 8, 2019 16 32 64 128 2 5 8 11-tetraoxatridecan-13-ol 2 5 7 10-tetraoxaundecane (tou) 2 4 8 10-tetraoxaspiro 5.5 undecane 2 6 11-tetramethyldodecane