14044-65-6 165191-87-7 189315-02-4 19442-58-1 88526-39-0 Borane tetrahydrofuran Borane-tetrahydrofuran complex Boron, trihydro(tetrahydrofuran)-, (T-4)- CCRIS 3411 EINECS 237-881-8 Tetrahydrofuran borane