A Altered Chord

A Altered is built from the notes A, B♭, D♭, E♭, F, G. The interval from A to B♭ is a minor 2nd (1 semitone), from A to D♭ is a major 3rd (4 semitones), from A to E♭ is a tritone (6 semitones), from A to F is a minor 6th (8 semitones), from A to G is a minor 7th (10 semitones). This chord contains 3 flatted notes.