| cyclohepta(b)pyrrol-2(1h)-one, 7-(1-methylethyl)-1-(phenylmethyl)-3-(1h-tetrazo |
| 1-benzyl-7-isopropyl-3-(5-tetrazolyl)-1-azaazulen-2-one |
| 7-(1-methylethyl)-1-(phenylmethyl)-3-(1h-tetrazol-5-yl)cyclohepta(b)pyrr ol-2 |
| 7-(1-methylethyl)-1-(phenylmethyl)-3-(1h-tetrazol-5-yl)-cyclohepta(b)pyrrol-2(1h)-on |
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