| 英文名称: | | 1-piperazinecarboxylic acid, 4-ethyl-, 4-butyl-1,2-diphenyl-5-oxo-2,5-dihydro-1 | | h- pyrazol-3-yl ester | | urethane d'enol de la phenylbutazone et de la n-ethyl-piperazine | | 1-piperazinecarboxylic acid, 4-ethyl-,4-butyl-1,2-diphenyl-5-oxo-2,5-dihydro-1h- pyrazol-3-yl ester |
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