WEHRLI, H. Die Partialsynthese von 5β,19-Ep-oxyäthanoimino-Steroiden. CHIMIA, [S. l.], v. 23, n. 11, p. 403, 1969. DOI: 10.2533/chimia.1969.403. Disponível em: https://www.chimia.ch/chimia/article/view/1969_403. Acesso em: 6 apr. 2025.