Benzoic acid, 2-(acetyloxy)-, mixt. with 3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione, (S-(R*,S*))-3-(dimethylamino)-2-methyl-1-phenyl-1-(phenylmethyl)propyl propanoate 2-naphthalenesulfonate, 5-ethyl-5-phenyl-2,4,6(1H,3H,5H)-pyrimidinetrione and N-(4-hydroxyphenyl)acetamide