The present disclosure provides compounds represented by Formula I: I, and the pharmaceutically acceptable salts and solvates thereof, wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, and R13 are as defined as set forth in the specification, and the
deuterium enrichment of any one or more of R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, and R13 is about 15% or more. The present disclosure also provides compounds having Formula I for use to treat or
delay the progression of a lysosomal storage disorder or a neurodegenerative
disease in a subject, provide
neuroprotection in a subject having a lysosomal disorder, treat or prevent a
migraine, and the symptoms associated therewith, in a subject, or improve mobility and / or cognitive function in a subject.