Compound No.

X

Y

Compound No.

X

Y

1

2-OH

H

8

4-NO₂

4-Me

2

H

3-Me

9

4-Br

4-Me

3

2-OH

3-Me

10

H

5-Cl

4

4-NO₂

3-Me

11

2-OH

5-Cl

5

4-Br

3-Me

12

4-NO₂

5-Cl

6

H

4-Me

13

4-Br

5-Cl

7

2-OH

4-Me