"110578109"@en-us . . . "0"^^ . . "113914703"@en-us . "luciferin"^^ . "pigment occurring in luminescent organisms (as fireflies); emits heatless light when undergoing oxidation"@en-us . . "luciferin"@en-us . . . "14757011-n"^^ . "114757011"^^ . . "pigment occurring in luminescent organisms (as fireflies); emits heatless light when undergoing oxidation"@en-us . . "0"^^ .