electrocyclic reactions conrotatory disrotatory

12:44

12:07

7:20

12:55

11:28

16:31

2:31

1:32

9:53

4:58

8:34

21:38

1:05:29

3:36

16:36

6:41

1:30

10:23

4:08

کوتاه

22:59

4:47

کوتاه

5:00

کوتاه

3:14

3:33

2:58

3:15

کوتاه

9:35

2:36

4:01

2:05

9:13

6:08

7:01

2:43

15:00

27:33