https://ru.wikipedia.org/wiki/1,4-%D0%91%D1%83%D1%82%D0%B0%D0%BD%D0%B4%D0%B8%D0%BE%D0%BB, https://sr.wikipedia.org/sr-ec/1,4-Butandiol, https://sh.wikipedia.org/w/index.php?title=1,4-Butandiol&variant=sh-cyrl Akybgd (Diskussion) 15:18, 9. Jan. 2023 (MEZ)[Beantworten]