(1i,7o)-4-phenyl-2,4,6-triazatricyclo<5.5.2.02,6>tetradec-13-ene-3,6-dione
4-Phenyl-1,2,4-triazolidine-3,5-dione
cis,trans-cyclonona-1,3-diene
1-((Z)-4-Methoxy-cyclonon-2-enyl)-4-phenyl-[1,2,4]triazolidine-3,5-dione
(1R,7R)-4-Phenyl-2,4,6-triaza-tricyclo[5.5.2.02,6]tetradecane-3,5-dione
(1R,7S)-4-Phenyl-2,4,6-triaza-tricyclo[5.5.2.02,6]tetradec-13-ene-3,5-dione
1-Acetyl-2-((Z)-4-methoxy-cyclonon-2-enyl)-4-phenyl-[1,2,4]triazolidine-3,5-dione