resonance structures with negative charge

1:09:04

3:11

8:19

13:31

3:33

13:56

18:43

20:35

1:17

10:22

7:11

5:45

1:25

کوتاه

3:59

11:38

12:24

4:56

7:55

11:28

4:53

10:07

14:56

6:02

9:34

9:48

9:00

7:58

8:39

1:06:27

1:54:26

1:56:04

43:35

2:39:19

3:10:49

2:03:14

1:15:33

5:35

5:21

3:43