Compounds No.

Calculated

Found

C %

H %

N %

C %

H %

N %

y

63.560

7.630

16.880

63.601

7.528

16.747

1a

85.496

5.852

10.687

85.328

5.648

10.625

2

78.175

7.840

4.560

78.096

7.839

4.426

4

74.534

5.832

8.695

74.436

5.823

8.657

5

69.613

6.077

15.469

69.626

6.135

15.451

6

72.483

7.382

9.395

72.327

7.355

8.974

8

63.878

7.984

10.969

63.903

7.792

10.958

9

78.931

7.189

9.150

78.377

7.058

9.035