(6S,9aS)-6-(4-Hydroxybenzyl)-8-[(naphthalen-1-yl)methyl]-4,7-dioxohexahydropyrazino[1,2-a]pyrimidine-1-carboxylic acid N-benzylamide

(6S,9aS)-6-(4-Hydroxybenzyl)-8-[(naphthalen-1-yl)methyl]-4,7-dioxohexahydropyrazino[1,2-a]pyrimidine-1-carboxylic acid N-benzylamide