Notes used in B♭ minor Dominant 7 Third Inversion Chord:
A♭ + B♭ + D♭ + F
minor Dominant 7 Third Inversion chords are played combining a root, minor (♭) third, perfect fifth, and minor (♭) seventh notes of the root note's major scale.
minor Dominant 7 Third Inversion Chord Formula:
7♭ + 1 + 3♭ + 5