Ravina E, Teran C, Dominguez N G, Masaguer C F, Gil-Longo J, Orallo F, Calleja J M
Dpt. of Organic Chemistry, Faculty of Pharmacy, University of Santiago de Compostela, Spain.
Arch Pharm (Weinheim). 1991 Jul;324(7):455-60. doi: 10.1002/ardp.19913240710.