N(CC)(CC)=C1C=CC(C=C1)=C(c2ccccc2)c3ccc(cc3)N(CC)CC.CCN(CC)=C4C=CC(C=C4)=C(c5ccccc5)c6ccc(cc6)N(CC)CC.CCN(CC)=C7C=CC(C=C7)=C(c8ccccc8)c9ccc(cc9)N(CC)CC