Oxypivalinsaeure-phenylhydrazid, 3-Hydroxy-2,2-dimethyl-propionsaeure-(N'-phenyl-hydrazid), Propanoic acid,3-hydroxy-2,2-dimethyl-,2-phenylhydrazide, 3-hydroxy-2,2-dimethyl-propionic acid-(N'-phenyl-hydrazide), 3-Hydroxy-2,2-dimethyl-2'-phenylpropionohydrazide, EINECS 255-497-9