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Aim: Nonsteroidal anti-inflammatory drugs are expansively used worldwide. However, their prolonged administration is associated with serious side effects, especially gastrointestinal ulceration. Materials & methods: New ibuprofen derivatives hybridized with H2S- or NO-donating moieties were synthesized and evaluated for their anti-inflammatory activity and ulcerogenic effect. COX-1/COX-2 isozymes selectivity test for the most promising derivatives was performed. Molecular docking studies were performed. Results: Most of the compounds showed promising anti-inflammatory activity comparable to that of ibuprofen (% edema inhibition = 76.6 and ulcer index = 21.26) with much better gastrointestinal tract tolerance (ulcer indices ranging from 0 to 14.67), especially compound 2 -H2S donor- (% edema inhibition = 75.5 and ulcer index = 11.75) and compound 16 -NO donor- (% edema inhibition = 65.4 and ulcer index = 8.66).