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The response of VLF signals to the passage of an atmospheric/ionospheric seismic wave after an earthquake in Chile.

Virtual Herbarium ALTB: collection of vascular plants of the Altai Mountain Country

4-AZAFLUORENES WITH NITROGEN-CONTAINING SUBSTITUENTS AT C-9

4-AZAFLUORENE 9-AMINO DERIVATIVES

CONDENSATION OF 3-METHYL-2-AZAFLUORENE WITH BENZALACETONE AND BENZALACETOPHENONE

9-AMINODERIVATIVES OF 4-AZAFLUORENE

CONDENSATION OF 4-AZAFLUORENE WITH 1,4-BUTANEDIOL AND GLYCERIN

9-Amino derivatives of 4-azafluorene

9-ALPHA-CARBETHOXY(CARBOXY)ALKYL-4-AZAFLUORENES

TRANSFORMATION OF 9-CHLORO-4-AZAFLUORENE TO AZALENES

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