3-phenyl-1-benzothiophene 1,1-dioxide InChI=1/C14H10O2S/c15-17(16)10-13(11-6-2-1-3-7-11)12-8-4-5-9-14(12)17/h1-10 benzo[b]thiophene, 3-phenyl-, 1,1-dioxide