Regioselective synthesis of heteroantennary bile acid derivatives projected as precursors for targeted drug delivery systems. - Pavley, Yu. R.; Yamansarov, E. Yu.; Skvortsov, D. A.; Ipatova, D. A.; Evteev, S. A.; Zyk, N. V.; Alekseechkina, U. G.; Grossman, R. V.; Beloglazkina, E. K. (Russian Chemical Bulletin, 2026)