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Results: 5

Authors: PETROV OI KALCHEVA VB ANTONOVA AT
Citation: Oi. Petrov et al., C-FORMYLATION OF SOME 2(3H)-BENZAZOLONES AND 2H-1,4-BENZOXAZIN-3(4H)-ONE, Collection of Czechoslovak Chemical Communications, 62(3), 1997, pp. 494-497

Authors: LIRITZIS I GALLOWAY RB KOVACHEVA M KALCHEVA VB
Citation: I. Liritzis et al., INFLUENCE OF CLIMATE ON THE RADIOACTIVITY OF LAKE AND SEA SEDIMENTS -1ST RESULTS, Geophysical journal international, 116(3), 1994, pp. 683-687

Authors: MINCHEVA ZP KALCHEVA VB GOLOVINSKY EG TABAKOVA SV
Citation: Zp. Mincheva et al., SYNTHESIS AND IN-VITRO ACTIVITY OF NEW CEPHEM DERIVATIVES WITH BENZOXAZOLONE RING, Die Pharmazie, 48(11), 1993, pp. 859-860

Authors: PETROV OI KALCHEVA VB ANTONOVA AT
Citation: Oi. Petrov et al., SYNTHESIS OF 2(3H)-BENZOXA(THIA)ZOLONES CONTAINING A HETEROCYCLE IN THE ALKYL GROUP AT POSITION-3, Collection of Czechoslovak Chemical Communications, 58(4), 1993, pp. 936-940

Authors: LOZANOVA CS VASSILEV GN KALCHEVA VB
Citation: Cs. Lozanova et al., SYNTHESIS AND BIOLOGICAL-ACTIVITY OF 2-(2-OXOPROPYLTHIO)-BENZIMIDAZOLES AND 2-PHENACYLTHIO-BENZIMIDAZOLES AND THEIR OXIMES, Dokladi na B"lgarskata akademia na naukite, 44(9), 1991, pp. 115-118
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