G13♭9+♯2
G dominant thirteenth, flat ninth, add sharp second

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MSK 007 Leapfrog VCF
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MSK 009 Coiler VCF
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Equivalent chord symbols: G13♯9+♯1, C11+♯5+♯7, C13♭13+♯7, A♯13♯11+♯1, B♯13♭13+♯7, B♭13♯11+♯1.
Notes in this chord: G, A♯, B, D, F, A♭, C, E. Integer notation: {0, 2, 4, 5, 7, 8, 10, 11}.
Nearby chords (one less note): G13♯9, G13♭9, B♭13♯11, C9+♯5+♯7, G11♯9+♯1, B♭13♯11♭9, Fm11♯7+♯4, B♭11♯11+♯1.
Nearby chords (one more note): G13+♯1+♯2, B♭13+♯1+♯4, G13♯9+♯1+♯4, G13♯9+♯1+♯7.
Parallel chords (same structure, different root): C13♭9+♯2, D13♭9+♯2, E13♭9+♯2, F13♭9+♯2, A13♭9+♯2, B13♭9+♯2, C♭13♭9+♯2, D♭13♭9+♯2, E♭13♭9+♯2, F♭13♭9+♯2, G♭13♭9+♯2, A♭13♭9+♯2, B♭13♭9+♯2, C♯13♭9+♯2, D♯13♭9+♯2, E♯13♭9+♯2, F♯13♭9+♯2, G♯13♭9+♯2, A♯13♭9+♯2, B♯13♭9+♯2.
This chord contains too many notes to play on the 6 strings of guitar standard EADGBE tuning (change tuning or instrument).