label: a 1,2-diacyl-sn-glycero-3-phosphoethanolamine(out) => a 1,2-diacyl-sn-glycero-3-phosphoethanolamine(in)
label_lc: a 1,2-diacyl-sn-glycero-3-phosphoethanolamine(out) => a 1,2-diacyl-sn-glycero-3-phosphoethanolamine(in)