Duas in salah, from Hisnul Muslim: the adhan, the opening dua, ruku, sujood, the tashahhud, the duas before and after salam, istikhara and witr.
Concerning the athan (the call to prayer)
At the start of the prayer (after takbeer)
While bowing in prayer
Upon rising from the bowing position
While prostrating
Between the two prostrations
When prostrating due to recitation of the Quran
The Tashahhud
Prayers upon the Prophet ﷺ after the tashahhud
After the last tashahhud and before salam
After salam
For seeking guidance in forming a decision or choosing the proper course
Qunoot Al-Witr
Immediately after salam of the witr prayer