Molecular structure of 1-Benzyl-4-(5,6-dimethoxy-1-oxoindan-2-ylindenemethyl)piperidine (CAS NO.120014-07-5) is:

Product Name: 1-Benzyl-4-(5,6-dimethoxy-1-oxoindan-2-ylindenemethyl)piperidine
CAS Registry Number: 120014-07-5
Systematic Name: (2E)-2-[(1-benzylpiperidin-4-yl)methylidene]-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one
Molecular Formula: C₂₄H₂₇NO₃
Molecular Weight: 377.48
Melting Point: 176-178 °C
Index of Refraction: 1.636 
Molar Refractivity: 111.953 cm³ 
Molar Volume: 312.106 cm³
Surface Tension: 54.487 dyne/cm 
Density: 1.209 g/cm³ 
Flash Point: 282.06 °C 
Enthalpy of Vaporization: 82.098 kJ/mol 
Boiling Point: 542.774 °C at 760 mmHg
Vapour Pressure: 0 mmHg at 25 °C 
Product Categories: Aromatics;Heterocycles;Intermediates;Intermediates & Fine Chemicals;Pharmaceuticals
SMILES: O=C/2c1cc(OC)c(OC)cc1CC\2=C\C4CCN(Cc3ccccc3)CC4 
InChI: InChI=1/C24H27NO3/c1-27-22-14-19-13-20(24(26)21(19)15-23(22)28-2)12-17-8-10-25(11-9-17)16-18-6-4-3-5-7-18/h3-7,12,14-15,17H,8-11,13,16H2,1-2H3/b20-12+
InChIKey: LPMOTUSFDTTWJL-UDWIEESQBC 
Std. InChI: InChI=1S/C24H27NO3/c1-27-22-14-19-13-20(24(26)21(19)15-23(22)28-2)12-17-8-10-25(11-9-17)16-18-6-4-3-5-7-18/h3-7,12,14-15,17H,8-11,13,16H2,1-2H3/b20-12+
Std. InChIKey: LPMOTUSFDTTWJL-UDWIEESQSA-N 

 1-Benzyl-4-(5,6-dimethoxy-1-oxoindan-2-ylindenemethyl)piperidine (CAS NO.120014-07-5) can be used as an impurity of Donepezil; an intermediate as an anti-Alzheimer agent.

 1-Benzyl-4-(5,6-dimethoxy-1-oxoindan-2-ylindenemethyl)piperidine , its cas register number is 120014-07-5. It also can be called 2-[(1-Benzyl-4-piperidyl)methyleen]-5,6-dimethoxyindan-1-on ; 1H-Inden-1-one,2,3-dihydro-5,6-dimethoxy-2-[[1-(phenylmethyl)-4-piperidinyl]methylene]- .