Indolocarbazole derivatives and therapeutic method for stimulating megakaryocyte production

摘要

PCT No. PCT/JP93/01346 Sec. 371 Date May 18, 1994 Sec. 102(e) Date May 18, 1994 PCT Filed Sep. 20, 1993 PCT Pub. No. WO94/06799 PCT Pub. Date Mar. 3, 1994The present invention relates to therapeutic agents for thrombocytopenia which contain an indolocarbazole derivative represented by the formula (I) given below or a pharmaceutically acceptable salt thereof as an active ingredient, and to novel indolocarbazole derivatives. <IMAGE> (I)