127311-95-9 4,7-Epoxybenzo(c)thiophen-1(3H)-one, hexahydro-3-thioxo-, (3a-alpha,4-beta,7-beta,7a-alpha)- Endothall dithioanhydride Hexahydro-3-thioxo-4,7-epoxybenzo(c)thiophen-1(3H)-one, (3a-alpha,4-alpha,7-alpha,7a-alpha)-