17,19-Etheno-22H-benzofuro[3a,3-n][1,5, 10]triazacycloeicosine-3,14,22-trione, 4,5,6,7,8,9,10,11,12,13, 20a,21,23,24-tetradecahydro- 24185-51-1 AIDS-127312 AIDS127312 Lunarine NSC156234