Molecular structure of Buterizine (CAS NO.68741-18-4) is:

Product Name: Buterizine
CAS Registry Number: 68741-18-4
IUPAC Name: 5-[(4-Benzhydrylpiperazin-1-yl)methyl]-2-butyl-1-ethylbenzimidazole
Molecular Weight: 466.66022 [g/mol]  
Molecular Formula: C₃₁H₃₈N₄  
XLogP3-AA: 6.3  
H-Bond Donor: 0  
H-Bond Acceptor: 3
Index of Refraction: 1.611 
Molar Refractivity: 147.22 cm³ 
Molar Volume: 423.8 cm³
Surface Tension: 42.8 dyne/cm 
Density: 1.1 g/cm³ 
Flash Point: 321.1 °C 
Enthalpy of Vaporization: 90.27 kJ/mol 
Boiling Point: 607.4 °C at 760 mmHg 
Vapour Pressure: 1.06E-14 mmHg at 25°C 
Classification Code: Vasodilator ;Vasodilator [peripheral]
Canonical SMILES: CCCCC1=NC2=C(N1CC)C=CC(=C2)CN3CCN(CC3)C(C4=CC=CC=C4)C5=CC=CC=C5
InChI: InChI=1S/C31H38N4/c1-3-5-16-30-32-28-23-25(17-18-29(28)35(30)4-2)24-33-19-21-34(22-20-33)31(26-12-8-6-9-13-26)27-14-10-7-11-15-27/h6-15,17-18,23,31H,3-5,16,19-22,24H2,1-2H3 
InChIKey: WLYWZMQECNKDLI-UHFFFAOYSA-N

 Buterizine , its cas register number is 68741-18-4. It also can be called 2-Butyl-5-[[4-[di(phenyl)methyl]piperazin-1-yl]methyl]-1-ethylbenzimidazole ; 1H-Benzimidazole, 2-butyl-5-((4-(diphenylmethyl)-1-piperazinyl)methyl)-1-ethyl ; Buterizino ; Buterizinum .