This chemical is called N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-D-threonine, and it can also be named as D-allothreonine, N-[(9H-fluoren-9-ylmethoxy)carbonyl]-. With the molecular formula of C₁₉H₁₉NO₅, its molecular weight is 341.36. The CAS registry number of this chemical is 157355-81-2, and its product categories are Amino Acids; Amino Acids (N-Protected); Biochemistry; Fmoc-Amino Acids.

Other characteristics of the N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-D-threonine can be summarised as followings: (1)ACD/LogP: 3.01; (2)# of Rule of 5 Violations: 0; (3)#H bond acceptors: 6; (4)#H bond donors: 3; (5)#Freely Rotating Bonds: 7; (6)Polar Surface Area: 65.07 Å²; (7)Index of Refraction: 1.617; (8)Molar Refractivity: 90.04 cm³; (9)Molar Volume: 257.1 cm³; (10)Polarizability: 35.69×10^-24cm³; (11)Surface Tension: 60.1 dyne/cm; (12)Density: 1.327 g/cm³; (13)Flash Point: 314.6 °C; (14)Enthalpy of Vaporization: 93.46 kJ/mol; (15)Boiling Point: 596.5 °C at 760 mmHg; (16)Vapour Pressure: 4.45E-15 mmHg at 25°C.

You can still convert the following datas into molecular structure: 
1.SMILES: O=C(O)[C@H](NC(=O)OCC3c1ccccc1c2c3cccc2)[C@H](O)C
2.InChI: InChI=1/C19H19NO5/c1-11(21)17(18(22)23)20-19(24)25-10-16-14-8-4-2-6-12(14)13-7-3-5-9-15(13)16/h2-9,11,16-17,21H,10H2,1H3,(H,20,24)(H,22,23)/t11-,17-/m1/s1
3.InChIKey: OYULCCKKLJPNPU-PIGZYNQJBI