| 4-butoxy-3-methyl-benzoic aci 3-(dimethylamino)propyl ester |
| 3-(dimethylamino)propyl 4-butoxy-3-methylbenzoate |
| 4-butoxy-3-methylbenzoic acid 3-(dimethylamino)propyl ester |
| gamma-(dimethylamino)propyl 3-methyl-4-butoxybenzoate |
| 4-butoxy-3-methyl-benzoic aci3-(dimethylamino)propyl ester |
