🌐EnglishEnglishDeutschEspañolNederlandsPortuguêsفارسی中文日本語EntityQ1935557· pop 13· linked from 262 articlesRamberg–Bäcklund reactionchemical reactionConnectionscis–trans isomerismEntityepoxideEntityCategoriesCarbon-carbon bond forming reactionsElimination reactionsName reactionsOlefination reactions