PCT No. PCT/EP95/03902 Sec. 371 Date Mar. 27, 1997 Sec. 102(e) Date Mar. 27, 1997 PCT Filed Oct. 2, 1995 PCT Pub. No. WO90/11922 PCT Pub. Date Apr. 25, 1996Pyrrolyltetrahydrobenzoquinoxalinediones of the formula I I and their tautomeric and isomeric forms, and their physiologically tolerated salts, in which the variables have the meanings stated in the description, and the preparation thereof are described. The novel compounds are antagonists of the glutamate receptor subtypes and are thus suitable for controlling various diseases.