H7 421 then B2 784 at Istanbul
Chişinău → Istanbul → Minsk
Timetable, Istanbul time
18:40H7 421 from Chişinău at the gate
15:50B2 784 to Minsk leaves the gate
21 h 10 apart on the timetable, overnight
B2 784 leaves 21 h 10 after H7 421 arrives on the timetable: more than half a day, so not a connection we count.