6,14-Diphenyl-4,6,8,12,14,16-hexaazapentacyclo<9.5.2.02,10.04,8.012,16>octadec-2(10)-en-5,7,13,15-tetron

(8R*,9R*)-8,9-Bis<(methylsulfonyloxy)methyl>-4-phenyl-2,4,6-triazatricyclo<5.2.2.02,6>undecan-3,5-dion

(10R*,11R*)-10,11-Bis(hydroxy-methyl)-4-methyl-2,4,6-triazatricyclo<5.2.2.02,6>undec-8-en-3,5-dion

6-Methyl-14-phenyl-4,6,8,12,14,16-hexaazapentacyclo<9.5.2.02,10.04,8.012,16>octadeca-2(10),17-dien-5,7,13,15-tetron