Patent ID: 8293726

Claim:
A method of treating a cancer selected from the group consisting of lymphoma, large B-cell lymphoma, squamous-cell lung carcinoma, breast carcinoma, adenocarcinoma of the lung, renal cell carcinoma, prostate cancer, uterine cancer, pancreatic cancer, and non-small cell lung cancer, said method comprising administering a cancer treating amount of a compound described by the formula (I): wherein each of R 3 , R 5 , and R 6 is, independently, selected from OH, SH, and NH 2 ; the stereochemistry at positions 3, 5, and 6 is either 3α, 5β, 6β or 3β, 5α, 6α; each of R 7 , R 8 , R 15 , R 16 , R 22 , R 24 , and R 25 is, independently, selected from H, OH, SH, and NH 2 ; to a patient with said cancer.