e.g. Filippa Pettersson or Cancer Res. 75(6) , 1102-12, (2015) or 10.1002/anie.201600521
Recueil des Travaux Chimiques des Pays-Bas
The nitration of derivatives of α??and β??naphthylamines: I. The nitration of methyl and ethyl α??naphthylcarbamates and of N??[α??naphthyl]??N'??ethylurea
C Groeneveld
Index: Kniphorst Recueil des Travaux Chimiques des Pays-Bas, 1925 , vol. 44, p. 704
... 693-727 (1925). ... By boiling for half an hour under a reflux condenser, filtering and evaporating the benzene solution to two thirds its original volume, 28 g a-naphthyl-ethyl- urethane, mp 79-80', were obtained and a further 5l/, g ... 74: this Journal 33, 65, 69(1914): Kniphorst. Diss. ...