3,3,3-Trifluoro-2-hydroxy-2-methylpropanoic acid374-35-630 % similar (R)-3,3,3-Trifluoro-2-hydroxy-2-methylpropionic acid44864-47-330 % similar 2-Bromo-2,2-difluoroacetic acid354-08-530 % similar Methyl perfluoropropyl ether375-03-130 % similar