8-(hydroxymethyl)-4,8,9-trimethyl-9,10-dihydronaphtho[2,1-g]chromene-7,12-dione; 7H-Phenanthro(3,2-b)pyran-7,12(8H)-dione,9,10-dihydro-8-(hydroxymethyl)-4,8,9-trimethyl; 8-(hydroxymethyl)-4,8,9-trimethyl-9,10-dihydro-7H-naphtho[2,1-g]chromene-7,12(8H)-dione; Danshenxinkun D