1,4,7-tribenzyl-1,4,7-triazonane

3-[4,7-bis(2-cyanoethyl)-1,4,7-triazonan-1-yl]propanenitrile

2a,4a,6a-Triaza-6b-phosphacyclopenta[cd]pentalene, hexahydro-, 6b-oxide

hexahydro-2a,4a,6a-triaza-6b-phospha-cyclopenta[cd]pentalene 6b-sulfide

1,4,7-Triaza-10-phosphahexahydrotriquinacene-P-selenide