MOLECULAR SIMULATIONS INC S-1

FORM S-1

EXHIBIT 3.1

EXHIBIT 3.2

EXHIBIT 3.3

EXHIBIT 3.4

EXHIBIT 3.5

EXHIBIT 5.1

EXHIBIT 10.1

EXHIBIT 10.2

EXHIBIT 10.3

EXHIBIT 10.4

EXHIBIT 10.5

EXHIBIT 10.6

EXHIBIT 10.7

EXHIBIT 10.8

EXHIBIT 10.9

EXHIBIT 10.11

EXHIBIT 10.12

EXHIBIT 10.13

EXHIBIT 10.14

EXHIBIT 10.15

EXHIBIT 10.16

EXHIBIT 10.17

EXHIBIT 10.18

EXHIBIT 10.19

EXHIBIT 10.20

EXHIBIT 10.21

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 10.31

EXHIBIT 10.32

EXHIBIT 10.33

EXHIBIT 10.34

EXHIBIT 10.35

EXHIBIT 21

EXHIBIT 23.1

FINANCIAL DATA SCHEDULE