(-)-1,2-Dihydro-1,6-dimethylphenanthro[1,2-b]furan-10,11-dione;1,6-Dimethyl-1,2,10,11-tetrahydrophenanthro[1,2-b]furan-10,11-dione;4,17-Dimethyl-15-oxagona-1,3,5(10),6,8,13-hexene-11,12-dione;Dihydrotanshinone Ⅰ, froM Salvia Miltiorrhiza;(1R)-1,6-diMethyl-1,2-dihydronaphtho[1,2-g][1]benzofuran-10,11-dione;Dihydrotanshinone I;15,16-Dihydrotanshine I;1,6-DiMethyl-1,2-dihydrophenanthro[1,2-b]furan-10,11-dione
Dihydrotanshinone I, an extract from Salvia miltiorrhiza Bunge, is an anti-cancer agent which has been shown to induce apoptosis in human colorectal cancer cells.