6-azanyl-2-(methylamino)-4-[2-[(2~{R},3~{R},4~{S},5~{R},6~{S})-3,4,5,6-tetramethoxyoxan-2-yl]ethyl]-1,7-dihydroimidazo[4,5-g]quinazolin-8-one

P28720 — Queuine tRNA-ribosyltransferase