1,1'-Dimethyl-3,3'-oxydipropanol 2-Butanol, 4,4'-oxybis- 4,4'-Oxybisbutan-2-ol 4,4'-Oxydi-2-butanol 5-Oxa-2,8-nonandiol 821-33-0 Boutybil Discinil Dyskinebyl EINECS 212-475-3