| 摘要 |
<p>A process for the preparation of 4-nitroso-diphenylamine by rearranging N-nitroso-diphenylamine according to Fischer-Hepp in o-dichlorobenzene, under the effect of alcoholic hydrochloric acid and working up the suspension of the 4-nitroso-diphenylamine-hydro-chloride. Le A 19 904</p> |
