Crystal structure and absolute configuration of 1 '-[3-(diethylamino)propyl]-3,4-dihydrospiro[naphthalene-1(2H),3 '-pyrrolidine]-2 ',5 '-dione hydrochloride, RAC-109I center dot HCl, C20H28N2O2 center dot HCl
I. Csoregh et R. Sandberg, Crystal structure and absolute configuration of 1 '-[3-(diethylamino)propyl]-3,4-dihydrospiro[naphthalene-1(2H),3 '-pyrrolidine]-2 ',5 '-dione hydrochloride, RAC-109I center dot HCl, C20H28N2O2 center dot HCl, Z KRIST-NEW, 214(2), 1999, pp. 227-229