scheme variable name in lilypond

[Gianmaria Lari]

Is there any way to refer a scheme variable containing numbers in the name, in lilypond?

For example, if I write:

#(define duration32 (ly:make-duration (ly:intlog2 32)))

duration32 is a valid scheme variable name. But this is not a valid lilypond variable name. Is there any way to access it anyway in lilypond?

Thank you, g.