IP-6 (inositol hexaphosphate or phytic acid)
Shamsuddin Am, Vucenik I, Cole KE. "IP6: A novel anti-cancer agent." Life Science 1997. 61:4; 343-54. 

Shamsuddin AM. "Inositol phosphates have novel anticancer function." J. Nutritioon (Supplement) 1995. 125:3 725S-732S. 

Vucenik I, Yang GY, Shamsuddin AM. "Comparison of pure inositol hecaphosphate and high-bran diet in the prevention of DMBA-induced rat mamary carcinogenisis." Nutr Cancer 1997. 28:1; 7-13.