go to Help-Index-Chords List, and it provides all the available chords - looks like you want a B7#5

Major Chords
C, Cmaj, C6, Cmaj7, Cmaj9, Cmaj13, C69, Cmaj7#5, C5b, Caug, C+, Cmaj9#11, Cmaj13#11

Minor Chords
Cm, Cm6, Cm7, Cm9, Cm11, Cm13, Cmaug, Cm#5, CmMaj7

Half diminished
Cm7b5,

Diminished
Cdim

Dominant 7th Chords
C7, 7+, C9+, C13+, C13, C7b13, C7#11, C13#11, C7#11b13, C9,
C9b13, C9#11, C13#11, C9#11b13, C7b9, C13b9, C7b9b13, C7b9#11,
C13b9#11, C7b9#11b13, C7#9, C13#9, C7#9b13, C9#11, C13#9#11, C7#9#11b13
C7b5, C13b5, C7b5b13, C9b5, C9b5b13, C7b5b9, C13b5b9, C7b5b9b13,
C7b5#9, C13b5#9, C7b5#9b13, C7#5, C13#5, C7#5#11, C13#5#11, C9#5,
C9#5#11, C7#5b9, C13#5b9, C7#5b9#11, C13#5b9#11, C7#5#9, C13#5#9#11,
C7#5#9#11, C13#5#9#11

Sustained 4 Chords
Csus, C7sus, C9sus,
C13sus, C7susb13, C7sus#11, C13sus#11, C7sus#11b13, C9susb13, C9sus#11, C13sus#11, C9sus#11b13, C7susb9, C13susb9, C7susb9b13, C7susb9#11,
C13susb9#11, C7susb9#11b13, C7sus#9, C13sus#9, C7sus#9b13, C9sus#11, C13sus#9#11, C7sus#9#11b13,
C7susb5, C13susb5, C7susb5b13, C9susb5, C9susb5b13, C7susb5b9,
C13susb5b9, C7susb5b9b13, C7susb5#9, C13susb5#9, C7susb5#9b13,
C7sus#5, C13sus#5, C7sus#5#11, C13sus#5#11, C9sus#5, C9sus#5#11, C7sus#5b9, C13sus#5b9, C7sus#5b9#11, C13sus#5b9#11, C7sus#5#9, C13sus#5#9#11, C7sus#5#9#11, C13sus#5#9#11,

Tricky Chords:
C5b This is "C flat 5." It is spelled this way to avoid confusion.
C2, C5, C4, C69, C7alt, Cm7#5





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