1,1,2-Tribromoethene598-16-3100 % similar 2-Bromo-1,1-difluoroethene359-08-035 % similar 1,2-Dibromo-3,3,3-trifluoro-1-propene431-22-133 % similar 1-Bromo-3,3,3-trifluoro-2-(trifluoromethyl)-1-propene382-15-030 % similar