2 5 8 11-tetraoxatridecan-13-amine July 8, 2019 16 32 64 128 2 5 8 11 tetraoxatridecan 13 amine 2 5 8 11-tetraoxatridecan-13-ol 2 5 7 10-tetraoxaundecane (tou) 1 4 10 13-tetraoxa-7 16-diazacyclooctadecane