Химия для чайников. Лекция 22. Углеродный конструктор. Структура органических веществ
5 days ago 00:04:43 1
3 weeks ago 00:10:06 5
2 months ago 01:22:06 24
4 months ago 00:04:35 2
4 months ago 00:10:40 1
4 months ago 00:25:20 1
5 months ago 00:00:00 1
5 months ago 00:25:33 1
5 months ago 00:20:34 1
5 months ago 01:20:51 1
5 months ago 00:01:31 1
5 months ago 01:06:12 3
5 months ago 00:01:32 1
5 months ago 00:03:52 1
5 months ago 00:16:22 1
5 months ago 03:16:48 1
5 months ago 01:43:38 2
5 months ago 00:29:19 1
5 months ago 00:54:37 1
5 months ago 00:28:52 6
5 months ago 01:53:52 1
5 months ago 01:31:16 1
5 months ago 00:00:00 55
5 months ago 00:21:21 1
