Design, Antileishmanial Activity, and QSAR Studies of a Series of Piplartine Analogues oleh Flávio R. Nóbrega, Larisse V. Silva, Carlos da Silva M. Bezerra Filho, Tamires C. Lima, Yunierkis P. Castillo, Daniel P. Bezerra, Tatjana K. Souza Lima, Damião P. de Sousa