This invention involves novel neuroprotectant agents of the formula: ##STR1## in which R.sup.1 and R.sup.3 are, independently, hydrogen, cyano, nitro, halo or perhaloalkyl, with the proviso that one of R.sup.1 and R.sup.3 is other than hydrogen; R.sub.2 is alkyl; or a pharmaceutically acceptable salt thereof.
该发明涉及一种新型神经保护剂,其
化学式为:##STR1## 其中R.sup.1和R.sup.3独立地是氢、
氰、硝基、卤素或
全氟烷基,但其中一个不是氢;R.sub.2是烷基;或其药学上可接受的盐。