[O-]S([O-])(=O)=O.COC1=CC=C2C=C3C4=C(CC[N+]3=CC2=C1OC)C=C1OCOC1=C4.COC1=CC=C2C=C3C4=C(CC[N+]3=CC2=C1OC)C=C1OCOC1=C4