Synthesis and anti-HIV activity of lupane and olean-18-ene derivatives. Absolute configuration of 19,20-epoxylupanes by VCD

1. Gutiérrez-Nicolás, F.
2. Gordillo-Román, B.
3. Oberti, J.C.
4. Estévez-Braun, A.
5. Ravelo, A.G.
6. Joseph-Nathan, P.