| abstract |
PCT No. PCT/EP93/01594 Sec. 371 Date Dec. 22, 1994 Sec. 102(e) Date Dec. 22, 1994 PCT Filed Jun. 22, 1993 PCT Pub. No. WO94/00461 PCT Pub. Date Jan. 6, 1994The present invention relates to a compound of the formula <IMAGE> in which A, Q, R2, R3 and R4, and also the corresponding, asterisked radicals, are defined as indicated in the description, to a process for their preparation, and also to their use for inhibiting retroviral proteases. |