Hydroxysafflor yellow A

(6E) -2,5-dihydroxy-6-[ (E) -1-hydroxy-3- (4-hydroxyphenyl) prop-2-enylidene]-2,4-bis[ (2S,3R,4R,5S,6R) -3,4,5-trihydroxy-6- (hydroxymethyl) oxan-2-yl]cyclohex-4-ene-1,3-dione

C1=CC (=CC=C1/C=C/C (=C\2/C (=C (C (=O) C (C2=O) ([C@H]3[C@@H] ([C@H] ([C@@H] ([C@H] (O3) CO) O) O) O) O) [C@H]4[C@@H] ([C@H] ([C@@H] ([C@H] (O4) CO) O) O) O) O) /O) O