@article{article4793978a,
title   = {Two new spiro lactam-lactones},
author = {Zukerman-Schpector, Júlio and Biaggio, Francisco Carlos and Rufino, Alessandra R. and Caracelli, Ida},
year = {1999},
doi = {10.1107/s0108270198010403},
journal   = {Acta Crystallographica Section C - Crystal Structure Communications}
}