NOVEL BENZONAPHTHYRIDINES AND PHARMACEUTICAL COMPOSITIONS THEREOF

PCT No. PCT/EP97/06096 Sec. 371 Date Apr. 16, 1999 Sec. 102(e) Date Apr. 16, 1999 PCT Filed Nov. 5, 1997 PCT Pub. No. WO98/21208 PCT Pub. Date May 22, 1998Compounds of formula (I) in which R1, R2, R3 and R4 have the meanings indicated in the description, are novel active bronchial therapeutics

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Hauptverfasser: SANDERS, KARL DR, BEUME, ROLF DR, AMSCHLER, HERMANN DR, HATZELMANN, ARMIN DR, GOEBEL, KARL-JOSEF DR, MARTIN, THOMAS DR, BOSS, HILDEGARD DR, BAER, THOMAS DR, ULRICH, WOLF-RUEDIGER DR, HAEFNER, DIETRICH DR, FLOCKERZI, DIETER DR, KLEY, HANS-PETER DR, GUTTERER, BEATE DR
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Sprache:eng ; hun
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Zusammenfassung:PCT No. PCT/EP97/06096 Sec. 371 Date Apr. 16, 1999 Sec. 102(e) Date Apr. 16, 1999 PCT Filed Nov. 5, 1997 PCT Pub. No. WO98/21208 PCT Pub. Date May 22, 1998Compounds of formula (I) in which R1, R2, R3 and R4 have the meanings indicated in the description, are novel active bronchial therapeutics