Figure 1

Chemical structures of pure tanshinones. (A) Dihydrotanshinone (DTAN). (B) Tanshinone I, (TANI). (C) Cryptotanshinone (CTAN). (D) Tanshinone IIA, (TANA).
Chemical structures of pure tanshinones. (A) Dihydrotanshinone (DTAN). (B) Tanshinone I, (TANI). (C) Cryptotanshinone (CTAN). (D) Tanshinone IIA, (TANA).