Pentamethine cyanine dyes with alkynyl group as perspective structure for conjugation with targeting moiety. - Uspenskaia AA; Doroshenko IA; Popovicheva KA; Shmychkov NV; Pryakhina EV; Shafikov RR; Skvortsov DA; Beklemishev MK; Zaborova OV; Podrugina TA; Machulkin AE; Beloglazkina EK (Bioorganic & medicinal chemistry letters, 2025)