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(2007/10/03)cyclopropanecarbohydrazide
5-chloro-8-(4-nitro-phenyl)-[1,3]dioxolo[4,5-g]phthalazine
7-methyl-5-(4-nitro-phenyl)-7,8-dihydro-5H-[1,3]dioxolo[4,5-g]isochromene
8-(4-nitro-phenyl)-6H-[1,3]dioxolo[4,5-g]phthalazin-5-one
6-(4-nitro-benzoyl)-benzo[1,3]dioxole-5-carboxylic acid