Synthesis of 5-Arylamino-4,7-dihydroindazole-4,7-dione
ZHOU, Jin-Lin, QIU, Xue-Fen, JI, Feng-Ying, MA, Lin, HUANG, Zhi-Shu, GU, Lian-Quan
Chinese Journal of Organic Chemistry . 2004, (7): 819 -821 .