This chemical is called Fmoc-(R)-3-Amino-4-(4-nitrophenyl)butyric acid, and its systematic name is (3R)-3-{[(9H-fluoren-9-ylmethoxy)carbonyl]amino}-4-(4-nitrophenyl)butanoic acid. With the molecular formula of C₂₅H₂₂N₂O₆, its molecular weight is 446.45. In addition, the CAS registry number of this chemical is 269398-78-9, and its product categories are 3-Amino-4-phenylbutyric Acid Analogs; 3-Amino-4-phenylbutanoic Acid Analogs; B-Amino.

Other characteristics of the Fmoc-(R)-3-Amino-4-(4-nitrophenyl)butyric acid can be summarised as followings: (1)ACD/LogP: 5.35; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 4.01; (4)ACD/LogD (pH 7.4): 2.24; (5)ACD/BCF (pH 5.5): 312.35; (6)ACD/BCF (pH 7.4): 5.32; (7)ACD/KOC (pH 5.5): 881.95; (8)ACD/KOC (pH 7.4): 15.03; (9)#H bond acceptors: 8; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 9; (12)Polar Surface Area: 101.66 Ų; (13)Index of Refraction: 1.64; (14)Molar Refractivity: 119.57 cm³; (15)Molar Volume: 331.7 cm³; (16)Polarizability: 47.4×10^-24cm³; (17)Surface Tension: 61.6 dyne/cm; (18)Density: 1.345 g/cm³; (19)Flash Point: 379.2 °C; (20)Enthalpy of Vaporization: 108.09 kJ/mol; (21)Boiling Point: 703.4 °C at 760 mmHg; (22)Vapour Pressure: 9.1E-21 mmHg at 25°C.

You can still convert the following datas into molecular structure: 
(1)SMILES: [O-][N+](=O)c1ccc(cc1)C[C@@H](NC(=O)OCC4c2ccccc2c3c4cccc3)CC(=O)O
(2)InChI: InChI=1/C25H22N2O6/c28-24(29)14-17(13-16-9-11-18(12-10-16)27(31)32)26-25(30)33-15-23-21-7-3-1-5-19(21)20-6-2-4-8-22(20)23/h1-12,17,23H,13-15H2,(H,26,30)(H,28,29)/t17-/m1/s1
(3)InChIKey: HBORLQMDGYDDBJ-QGZVFWFLBY