preferred_name: an N-acyl-sphingoid base + D-galactose => a D-galactosylceramide + H2O
preferred_name_lc: an n-acyl-sphingoid base + d-galactose => a d-galactosylceramide + h2o
label: an N-acyl-sphingoid base + D-galactose => a D-galactosylceramide + H2O
label_lc: an n-acyl-sphingoid base + d-galactose => a d-galactosylceramide + h2o