Welcome to Wikimedia Commons, Karolína Zoulová!

-- Wikimedia Commons Welcome (talk) 19:45, 5 December 2022 (UTC)Reply

Chem. fixes

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I dared to fix "chemical typo" (−C≡NH) etc. in your images Syntéza DAAM pomocí acetonových kondenzačních produktů.png and Ritterova syntéz diacetonakrylamidu.png. Regards, —Mykhal (talk) 07:53, 19 December 2022 (UTC)Reply