This chemical is called Propanedioic acid, 1,3-di-2-propen-1-yl ester, and its CAS registry number is 184.19. With the molecular formula of C₉H₁₂O₄, its molecular weight is 184.19.

Other characteristics of the Propanedioic acid, 1,3-di-2-propen-1-yl ester can be summarised as followings: (1)ACD/LogP: 1.41; (2)# of Rule of 5 Violations: 0; (3)#H bond acceptors: 4; (4)#H bond donors: 0; (5)#Freely Rotating Bonds: 8; (6)Polar Surface Area: 52.6 Å²; (7)Index of Refraction: 1.449; (8)Molar Refractivity: 46.74 cm³; (9)Molar Volume: 174.2 cm³; (10)Polarizability: 18.53×10^-24cm³; (11)Surface Tension: 33 dyne/cm; (12)Density: 1.057 g/cm³; (13)Flash Point: 107.8 °C; (14)Enthalpy of Vaporization: 47.02 kJ/mol; (15)Boiling Point: 233.5 °C at 760 mmHg; (16)Vapour Pressure: 0.0557 mmHg at 25°C.

Uses of this chemical: The 2-pyren-1-ylmethylene-malonic acid diallyl ester could be obtained by the reactants of pyrene-1-carbaldehyde and Propanedioic acid, 1,3-di-2-propen-1-yl ester. This reaction needs the reagent of piperidine, AcOH, and the solvent of benzene. The yield is 89 %. The other condition is heating.

You can still convert the following datas into molecular structure: 
1.SMILES: O=C(OC\C=C)CC(=O)OC\C=C
2.InChI: InChI=1/C9H12O4/c1-3-5-12-8(10)7-9(11)13-6-4-2/h3-4H,1-2,5-7H2
3.InChIKey: AOESAXAWXYJFNC-UHFFFAOYAQ