Table 2. Secondary pharmacophore models used for pharmacophore search.

Pharmacophore

Number of features

HB-donors

HB-acceptors

Aromatic

1.1

1

-

4

1.2

1

-

4

2.1

1

 

4

3.1

1

1

3

3.2

1

-

4

3.3

1

-

4

4.1

2

3

2