 m.p. 000--000 °C; IR (ν, cm^−0^): 0000 (CH arom.), 0000 (C=O); ^0^H-NMR (000 MHz, CDCl~0~) δ (ppm): 0.00 (s, 0H, CH~0~), 0.00 (s, 0H, CH~0~), 0.00--0.00 (t, 0H, Ar-H), 0.00--0.00 (d, 0H, Ar-H), 0.00--0.00 (t, 0H, Ar-H), 0.00--0.00 (d, 0H, Ar-H), 0.00--0.00 (d, *J* = 00.0 Hz, 0H, CH), 0.00--0.00 (d, *J* = 00.0 Hz, 0H, CH), 0.00--0.00 (d, 0H, Ar-H).^00^C-NMR (000 MHz, CDCl~0~) δ (ppm): 00.00 (CH~0~), 00.00 (CH~0~), 000.00 (0CH), 000.00 (CH), 000.00 (CH), 000.00 (0CH), 000.00 (0CH), 000.00 (0CH), 000.00 (C), 000.00 (C), 000.00 (C), 000.00 (C), 000.00 (C), 000.00 (C), 00