methyl 5,10-dioxyphenazine-2-carboxylate

1-吗啉基-1-环己烯

4-氨基-3-硝基苯甲酸

6-[benzo[1,2-c]1,2,5-oxadiazol N1-oxide]carboxylic acid

methyl benzofuroxan-5-carboxylate