This chemical is called 10-Hydroxycamptothecin, and its systematic name is (4S)-4-ethyl-4,9-dihydroxy-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H,12H)-dione. With the molecular formula of C₂₀H₁₆N₂O₅, its molecular weight is 364.35. The CAS registry number of this chemical is 64439-81-2, and its product categories are Antineoplastic; Camptothecin Series. In addition, this chemical should be stored at the temperature of −20 °C.

Other characteristics of the 10-Hydroxycamptothecin can be summarised as followings: (1)ACD/LogP: 1.32; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 1.25; (4)ACD/LogD (pH 7.4): 1.3; (5)ACD/BCF (pH 5.5): 5.07; (6)ACD/BCF (pH 7.4): 5.64; (7)ACD/KOC (pH 5.5): 106.37; (8)ACD/KOC (pH 7.4): 118.3; (9)#H bond acceptors: 7; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 3; (12)Polar Surface Area: 77.96 Å²; (13)Index of Refraction: 1.776; (14)Molar Refractivity: 94.97 cm³; (15)Molar Volume: 227 cm³; (16)Polarizability: 37.65×10^-24cm³; (17)Surface Tension: 92.4 dyne/cm; (18)Density: 1.6 g/cm³; (19)Flash Point: 450.1 °C; (20)Enthalpy of Vaporization: 125.05 kJ/mol; (21)Boiling Point: 820.7 °C at 760 mmHg; (22)Vapour Pressure: 1.67E-28 mmHg at 25 °C.

You can still convert the following datas into molecular structure: 
1.SMILES: O=C\1N4\C(=C/C2=C/1COC(=O)[C@]2(O)CC)c3nc5c(cc3C4)cc(O)cc5
2.InChI: InChI=1/C20H16N2O5/c1-2-20(26)14-7-16-17-11(5-10-6-12(23)3-4-15(10)21-17)8-22(16)18(24)13(14)9-27-19(20)25/h3-7,23,26H,2,8-9H2,1H3/t20-/m0/s1
3.InChIKey: HAWSQZCWOQZXHI-FQEVSTJZBC