Ball-and-stick model of the fentanyl molecule in the crystal structure of fentanyl citrate-toluene solvate.

X-ray diffraction data from O. M. Peeters, N. M. Blaton, C. J. De Ranter, A. M. Van Herk and K. Goubitz (1979). "Crystal and molecular structure ofN-[1-(2-phenylethyl)-4-piperidinylium]-N-phenylpropanamide (fentanyl) citrate-toluene solvate". Journal of Chemical Crystallography: 153-161. 10.1007/BF01262807.

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Author Ben Mills
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