38143-10-1

(1E,15E,20aR,24aR)-5,6,7,8,11,12,20aβ,21,23,24-Decahydro-10H,14H-17,19-etheno-9,13-methano-22H-benzofuro[3a,3-n][1,5,10]triazacycloicosine-3,14,22(4H)-trione