1,11-dihydro-3H-4,8-(metheno)-2,10-benzodithiacyclotridecine 9H-4,8-metheno-3H-2,10-benzodithiacyclotridecin, 1,11-dihydro- InChI=1/C16H16S2/c1-2-7-16-12-18-10-14-5-3-4-13(8-14)9-17-11-15(16)6-1/h1-8H,9-12H