Fuente: WIPO "hemp" This invention relates to a novel process for making 3-O-(3',3'- dimethylsuccinyl)betulinic acid ('DSB')- This invention also relates to methods of treating HIV and related diseases using pharmaceutical compositions comprising salt forms of DSB prepared according to the process of the present invention. The invention further relates to dosage forms of pharmaceutical compositions comprising salts of DSB made using the process of this invention.