[1] COLUMBIA UNIV,DEPT CHEM,NEW YORK,NY 10027
[2] MEM SLOAN KETTERING CANC CTR,BIOORGAN CHEM LAB,SLOAN KETTERING INST CANC RES,NEW YORK,NY 10021
[3] MEM SLOAN KETTERING CANC CTR,PROGRAM MOLEC PHARMACOL,SLOAN KETTERING INST CANC RES,NEW YORK,NY 10021
[4] YALE UNIV,DEPT CHEM,NEW HAVEN,CT 06511
[5] ELI LILLY & CO,SPHINX PHARMACEUT,DURHAM,NC 27707