(±)-Tetrabenazine58-46-830 % similar 2'-Hydroxy-4',5'-dimethoxyacetophenone20628-06-230 % similar 2-Hydroxy-4,5-dimethoxybenzoic acid5722-93-030 % similar Methyl 4-piperidineacetate168986-49-030 % similar 1-[3-(2,4,6-Trimethoxybenzoyl)propyl]PyrrolidiniumChloride35543-24-930 % similar