7 05 t 1h j 7 5 6 95 d 2h j 7 8 6 85 br s 1h 3 96 br m 1h 3 86 br m 1h 2 86 br m 1h 2 79 br m 1h i 34 3 n u2032 2 6 dinitro 4 trifluoromethyl phenyl n 3 methoxyphenyl hydrazino n hydroxy propionamide 10 29 br s 1h 8 49 br s 1h 7 68 br s 1h 7 14 t 1h j 8 1 6 48 d 1h j 8 4 6 38 d 1h 6 36 s 1h 3 77 m 1h 3 70 s 3h 3 46 m 1h 2 53 m 1h 2 27 m 1h i 35 3 n u2032 2 6 dinitro 4 trifluoromethyl phenyl n phenyl hydrazino propan 1 ol 10 29 br s 1h 8 58 br s 1h 7 70 br s 1h 7 29 d 2h j 7 5 6 98 t 1h j 7 2 6 86 d 2h j 7 8 3 75 m 4h 3 26 m 2h 1 89 m 1h i 36 3 n u2032 2 6 dinitro 4 trifluoromethyl phenyl n phenyl diethyl propionamide 10 52 br s 1h 8 56 br s 1h 7 68 br s 1h 7 26 t 2h j 7 5 6 97 t 1h j 7 5 6 87 d 2h j 8 4 3 84 m 1h 3 63 m 1h 3 29 q 2h.