Molecular structure of (S)-4-(4'-Nitrobenzyl)-1,3-oxazolidine-2-one (CAS NO.139264-66-7) is:

Product Name: (S)-4-(4'-Nitrobenzyl)-1,3-oxazolidine-2-one
CAS Registry Number: 139264-66-7
Molecular Formula: C₁₀H₁₀N₂O₄
Molecular Weight: 222.20
Index of Refraction: 1.588 
Molar Refractivity: 54.631 cm³ 
Molar Volume: 162.433 cm³
Surface Tension: 55.417 dyne/cm 
Density: 1.368 g/cm³ 
Flash Point: 261.942 °C 
Enthalpy of Vaporization: 78.007 kJ/mol 
Boiling Point: 509.509 °C at 760 mmHg

 (S)-4-(4'-Nitrobenzyl)-1,3-oxazolidine-2-one , its cas register number is 139264-66-7. It also can be called 2-Oxazolidinone,4-[(4-nitrophenyl)methyl]-, (R)- (9CI) .