6-amino-2-(methylamino)-4-(2-{[(3S,5S,7S)-tricyclo[3.3.1.1~3,7~]dec-1-ylmethyl]amino}ethyl)-1,7-dihydro-8H-imidazo[4,5-g]quinazolin-8-one

P28720 — Queuine tRNA-ribosyltransferase