1.1
Reagents:
Sodium nitrite
,
Hydrochloric acid
Solvents:
Water
;
0 °C; 30 min, 0 °C
1.2
Reagents:
Potassium iodide
Solvents:
Water
;
0 °C; 1 h, 0 °C → 23 °C

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