| 4-(7-nitrobenzofurazan-4-yl)-1-piperazineethano |
| 4-(4-(2-hydroxyethyl)-1-piperazinyl)-7-nitrobenzofurazan |
| 4-(7-nitrobenzofurazan-4-yl)-1-piperazineethanol |
| 7-(2-hydroxyethylpiperazinyl)-4-nitrobenzofurazan |
| 4-(4-(2-hydroxyethyl)-1-piperazinyl)-7-nitro-benzofuraza |
| bfz 21 |
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