hydrazine hydrate 5 h; Heating;

1: 95 percent / POCl3 2: 90 percent / 90percent hydrazine hydrate / 3 h / Heating 3: 98 percent / phosphorus pentasulfide, pyridine / 4 h / Heating 4: 90 percent / 90percent hydrazine hydrate / 5 h / Heating View Scheme

1: 90 percent / 90percent hydrazine hydrate / 3 h / Heating 2: 98 percent / phosphorus pentasulfide, pyridine / 4 h / Heating 3: 90 percent / 90percent hydrazine hydrate / 5 h / Heating View Scheme

1: 98 percent / phosphorus pentasulfide, pyridine / 4 h / Heating 2: 90 percent / 90percent hydrazine hydrate / 5 h / Heating View Scheme