0000950133-00-004839 SC 13G 1 20001211 3 DIMENSIONAL PHARMACEUTICALS INC 0000914201 2834 232716487 DE 1231 SC 13G 34 005-59449 786655 665 STOCKTON DRIVE SUITE 104 EXTON PA 19341 6104588959 665 STOCKTON DRIVE SUITE 104 EXTON PA 19341 BB BIOTECH AG 0000924223 0000 DC 1231 SC 13G C/O BAKER & MCKENZIE 815 CONNECTICUT AVENUE NW WASHINGTON DC 20006 2028351882 C/O BAKER & MCKENZIE 815 CONNECTICUT AVENUE NW WASHINGTON DC 20006 SC 13G 1 w43435sc13g.txt SCHEDULE 13G