The invention relates to bioactive compounds purified from mycelium of Antrodia camphorata and the manufacturing method thereof. A method for treatment of cancers by administrating an effective amount of the said compounds selected from the group consisting of AC006, AC007, AC009, AC011, AC012, AC007-H1, AC009-H1, and AC012-H1 wherein the cancers is liver cancer, brain cancer, prostate cancer, breast cancer, colorectal cancer, or melanoma.