Synonyms: d-Propoxyphene 1-theobromineacetate;AC1L1Y51;52387-20-9;Z.867;Lenigesial 1-carboxymethyl-3,7-dimethylxanthine;Propoxyphene 1-carboxymethyl-3,7-dimethylxanthine;[(2S,3R)-4-(dimethylamino)-3-methyl-1,2-diphenylbutan-2-yl] propanoate; 2-(3,7-dimethyl-2,6-dioxopurin-1-yl)acetic acid;1H-Purine-1-acetic acid, 2,3,6,7-tetrahydro-3,7-dimethyl-2,6-dioxo-, compd. with (S-(R*,S*))-3-(dimethylamino)-2-methyl-1-phenyl-1-(phenylmethyl)propyl propanoate (1:1);Benzeneethanol, alpha-(2-(dimethylamino)-1-methylethyl)-alpha-phenyl-, propanoate (ester), (S-(R*,S*)-, 2,3,6,7-tetrahydro-3,7-dimethyl-2,6-dioxo-1H-purine-1-acetate (salt)