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Acta Cryst. (2013). C69, 1509-1512  [ doi:10.1107/S0108270113025523 ]

A polymorphic form of 4,4-dimethyl-8-methyl­ene-3-aza­bicyclo­[3.3.1]non-2-en-2-yl 3-indolyl ketone, an indole alkaloid extracted from Aristotelia chilensis (maqui)

C. Paz, J. Becerra, M. Silva, E. Freire and R. Baggio

Synopsis: A polymorphic form of the title indole alkaloid was extracted from Aristotelia chilensis. Its crystal structure is described and compared with a previously reported polymorph.

Formula: C20H22N2O

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