preferred_name: phosphoethanolamine + L-serine + H(+) => L-serine-phosphoethanolamine + H2O
preferred_name_lc: phosphoethanolamine + l-serine + h(+) => l-serine-phosphoethanolamine + h2o
label: phosphoethanolamine + L-serine + H(+) => L-serine-phosphoethanolamine + H2O
label_lc: phosphoethanolamine + l-serine + h(+) => l-serine-phosphoethanolamine + h2o