This chemical is called 4H-1-Benzopyran-4-one, 2-(3,4-dihydroxyphenyl)-3,5,7,8-tetrahydroxy-, and it can also be named as Gossypetin. With the molecular formula of C₁₅H₁₀O₈, its molecular weight is 318.24. The CAS registry number of this chemical is 489-35-0. Additionally, its product category is Flavanols. 

Other characteristics of the 4H-1-Benzopyran-4-one, 2-(3,4-dihydroxyphenyl)-3,5,7,8-tetrahydroxy- can be summarised as followings: (1)ACD/LogP: 1.16; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 1.11; (4)ACD/LogD (pH 7.4): -0.03; (5)ACD/BCF (pH 5.5): 3.97; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 90.27; (8)ACD/KOC (pH 7.4): 6.65; (9)#H bond acceptors: 8; (10)#H bond donors: 6; (11)#Freely Rotating Bonds: 7; (12)Polar Surface Area: 81.68 Å²; (13)Index of Refraction: 1.863; (14)Molar Refractivity: 75.2 cm³; (15)Molar Volume: 166.4 cm³; (16)Polarizability: 29.81×10^-24cm³; (17)Surface Tension: 133 dyne/cm; (18)Density: 1.912 g/cm³; (19)Flash Point: 260.6 °C; (20)Enthalpy of Vaporization: 103.28 kJ/mol; (21)Boiling Point: 679.3 °C at 760 mmHg; (22)Vapour Pressure: 4.49E-19 mmHg at 25°C.

You can still convert the following datas into molecular structure: 
1.SMILES: O=C1c3c(O/C(=C1/O)c2ccc(O)c(O)c2)c(O)c(O)cc3O
2.InChI: InChI=1/C15H10O8/c16-6-2-1-5(3-7(6)17)14-13(22)12(21)10-8(18)4-9(19)11(20)15(10)23-14/h1-4,16-20,22H
3.InChIKey: YRRAGUMVDQQZIY-UHFFFAOYAI