BF4_3352BF4_3353BF4_3354BF4_3355BF4_3356BF4_3357BF4_3358-2BF4_3358BF4_3359BF4_3361BF4_3362-2BF4_3362-3BF4_3362BF4_3363BF4_3364BF4_3365BF4_3366BF4_3367BF4_3368-2BF4_3368