2',4'-Dihydro-2,2'-dimethyl-5,5'-diphenyl-2H-3,3'-spirobi(1,2,4,3λ5-triazaphosphol)iumchlorid

1,6-dimethyl-3,8-diphenyl-1,2,4,6,7,9-hexaza-5λ⁵-phosphaspiro[4.4]nona-2,4,8-triene