2-23-00-00151 (Beilstein Handbook Reference) 3-Chloro-5-nitro-1H-indazole 3-Chloro-5-nitroindazole 4812-45-7 BRN 0013635 Chloro-3 nitro-5 indazole [French] EINECS 225-380-7 Indazole, 3-chloro-5-nitro-