英文名称:2-(6,7-difluoro-3-oxo-2,3,3a,9a-tetrahydro-1H-cyclopenta[b]naphthalen-1-ylidene)malononitrile
英文名称:2-(6,7-difluoro-3-oxo-2,3,3a,9a-tetrahydro-1H-cyclopenta[b]naphthalen-1-ylidene)malononitrile
电话:0371-53315787
微信:13333829863
QQ:3002622087 ;2853979812(申请添加时请备注下单位名称,谢谢!)
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