DRUGABUSE SCIENCES INC S-1/A

S-1/A

EXHIBIT 10.19

EXHIBIT 10.20

EXHIBIT 10.22

EXHIBIT 10.23

EXHIBIT 10.24

EXHIBIT 10.25

EXHIBIT 10.26

EXHIBIT 10.27

EXHIBIT 10.28

EXHIBIT 10.29

EXHIBIT 10.30

EXHIBIT 23.1

EXHIBIT 23.3