# NOT RUN {
# Valid InChI key where all four classification levels are available
get_classification('BRMWTNUJHUMWMS-LURJTMIESA-N')
# Valid InChI key where only three classification levels are available
get_classification('MDHYEMXUFSJLGV-UHFFFAOYSA-N')
# Invalid InChI key
get_classification('MDHYEMXUFSJLGV-UHFFFAOYSA-B')
# }
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