Novel functionalized 1,4,4a,9a-tetrahydro-1-aza-9-oxafluorenes by cycloaddition of 4-(4-methoxyphenyl)-1,4-dihydropyridines and p-benzoquinone

R&D Labs maybe for 212623-27-3

• Jiangsu Allyrise Pharmaceutical Co., Ltd.(expird)

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• Shandong Yubin Chemical CO.,LTD

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  Address:binhai economic development zone，262737 shangdong，china

• Angelisun(Chongqing) Pharmaceutical Co., LTD.

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• Hubei Lingsheng Pharmaceuticals Co., Ltd.

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  Address:Xiangyang City Xiangcheng Economic Development Zone, Hubei Province

• QINGDAO ON-BILLION INDUSTRAIL CO.,LTD

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