86402-37-1

(3S,6R,9S,15aS)-6-benzyl-9-(2-methylpropyl)-3-[6-(oxiran-2-yl)-6-oxohexyl]octahydro-2H-pyrido[1,2-a][1,4,7,10]tetraazacyclododecine-1,4,7,10(3H,12H)-tetrone