Notes used in C minor Dominant 7 First Inversion Chord:
E♭ + G + B♭ + C
minor Dominant 7 First 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 First Inversion Chord Formula:
3♭ + 5 + 7♭ + 1