Pharmaceuticals

Owner

DUCOA, L.P.

—

Pharmaceuticals

Owner

DUCOA, L.P.

—

Pharmaceuticals

Owner

DUCOA L.P.

—

Chemicals

Owner

DUCOA L.P.

Dec 4, 2001

Pharmaceuticals

Owner

DUCOA L.P.

Sep 15, 1998

Chemicals

Owner

DUCOA L.P.

—

Chemicals

Owner

DUCOA L.P.

Dec 13, 1994

Chemicals and 2 other

Owner

DUCOA L.P.

May 10, 1994

Pharmaceuticals

Owner

DUCOA, L.P.

May 20, 1980