🌐EnglishEnglishDeutschEspañolFrançaisNederlandsPortuguêsالعربيةفارسی中文日本語EntityQ256377· pop 13· linked from 240 articlesHantzsch pyridine synthesischemical reactionConnectionsChemische BerichteEntityInternational Standard Book NumberEntityCategoriesMultiple component reactionsName reactionsPyridine forming reactions