Since practically all of the local anesthetics containing an ester structure are derived from oxygen acids, it seemed desirable to undertake the preparation of compounds derived from certain thio acids in order that the pharmacological effect of this exchange of oxygen for sulfur might be ascertained. Of the simpler types of aminoalkyl benzoates which have been prepared in this Laboratory the methylpiperidinopropyl benzoates' have been found to be ...
![Benzenecarbothioicacid, S-[3-(2-methyl-1-piperidinyl)propyl] ester Structure](https://image.chemsrc.com/caspic/022/5435-03-0.png)
