preferred_name: substance P + H2O = substance P(1-9) + L-Leu-L-Met-NH2
preferred_name_lc: substance p + h2o = substance p(1-9) + l-leu-l-met-nh2
label: substance P + H2O = substance P(1-9) + L-Leu-L-Met-NH2
label_lc: substance p + h2o = substance p(1-9) + l-leu-l-met-nh2