Benzeneacetic acid, alpha-hydroxy-, phenylmethyl ester, mixt. with 1,2-dihydro-1,5-dimethyl-2-phenyl-3H-pyrazol-3-one mono(2-hydroxybenzoate), 3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione and 2-hydroxybenzamide