-water mixture (0:0) as buff crystals, yield 0.00 g (00%), m.p. 000--000 °C, IR (ν, cm^−0^): 0000 (NH), 0000 (CH arom.), 0000, 0000 (CH aliph.). ^0^H-NMR (000 MHz, CDCl~0~) δ (ppm): 0.00 (s, 0H, CH~0~), 0.00 (s, 0H, CH~0~), 0.00 (s, 0H, CH~0~), 0.00 (s, 0H, CH~0~), 0.00 (s, 0H, 