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The image displays an indoor scene within a lecture hall or classroom in Pleven, Bulgaria. A large white projection screen with a black border dominates the center, showcasing scientific content. The screen presents chemical reaction schemes and molecular structures related to obtaining carboxyl derivatives, esters, and amides, with text primarily in Bulgarian, including phrases like "Получаване на производни по карбоксилната група" (Obtaining derivatives of the carboxyl group), "Амиден фрагмент" (Amide fragment), and "Реакционни условия?" (Reaction conditions?). Molecular modeling visualizations of protein-ligand interactions and two QR codes are also visible. A reference to "RSC Adv., 2016" is present.

Above the screen, a suspended ceiling with beige grid tiles is visible, featuring twelve recessed fluorescent light fixtures, each containing multiple reflective slats. The lower portion of the image captures the backs of multiple individuals' heads, indicating an audience seated and observing the presentation. Hair colors range from dark brown to auburn. A black handbag with a gold-colored clasp is partially visible in the bottom left foreground, and a small white marker board with a marker tray is partially visible on the far right edge of the frame.
@ndonoFF

Mar 28, 2026, 9:17 AM

Pleven, Bulgaria

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The image displays an indoor scene within a lecture hall or classroom in Pleven, Bulgaria. A large white projection screen with a black border dominates the center, showcasing scientific content. The screen presents chemical reaction schemes and molecular structures related to obtaining carboxyl derivatives, esters, and amides, with text primarily in Bulgarian, including phrases like "Получаване на производни по карбоксилната група" (Obtaining derivatives of the carboxyl group), "Амиден фрагмент" (Amide fragment), and "Реакционни условия?" (Reaction conditions?). Molecular modeling visualizations of protein-ligand interactions and two QR codes are also visible. A reference to "RSC Adv., 2016" is present. Above the screen, a suspended ceiling with beige grid tiles is visible, featuring twelve recessed fluorescent light fixtures, each containing multiple reflective slats. The lower portion of the image captures the backs of multiple individuals' heads, indicating an audience seated and observing the presentation. Hair colors range from dark brown to auburn. A black handbag with a gold-colored clasp is partially visible in the bottom left foreground, and a small white marker board with a marker tray is partially visible on the far right edge of the frame.

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@ndonoFF

Mar 28, 2026, 9:17 AM

Pleven, Bulgaria

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