2 5 8 11-tetraoxatridecan-13-yl 4-methylbenzenesulfonate July 8, 2019 16 32 64 128 2 5 8 11-tetraoxatridecan-13-ol 2 5 8 11-tetraoxatetradecan-13-ol 4 7 10-trimethyl- 2 2-dimethyl-4-oxo-3 8 11-trioxa-5-azatridecan-13-yl 4-methylbenzenesulfonate 4- (1 4 8 11-tetraazacyclotetradecan-1-yl)methyl phenyl methanol