Patent ID: 8653275

Claim:
A compound of Formula (I) wherein X 1Θ and X 2Θ are each independently an organic or inorganic anion; Q and T are each independently attached to R 1 and R 2 ; Q is alkyl; T is alkynyl; R 1 and R 2 are each six membered rings as shown in formula (IIA); R 8 or R 12 is replaced by one attachment to T in R 1 and R 2 ; R 4 is replaced by one attachment to Q in R 1 and R 2 ; R 6 , R 8 , R 10 , R 12 , and R 14 , when present, are each independently selected from the group consisting of hydrogen, lower alkyl, halo, cyano, nitro, trifluoromethyl, hydroxymethyl, hydroxyethyl and hydroxypropyl.