perkin reaction for bhu

3:06

6:00

3:22

3:22

4:02

1:22

9:50

1:18

1:18

16:08

کوتاه

10:19

7:27

22:40

6:50

15:41

1:36

3:23

2:32

4:03

7:31

12:45

13:05

5:57

6:03

10:01

17:39

4:26

4:01

کوتاه

4:11

کوتاه

9:30

4:52

5:43

12:45

4:12

12:18

12:18

26:30