(2-(Tetrahydro-1,4-thiazepin-4(5H)-yl)ethyl)guanidine S-oxide sulfate 2779-59-1 Guanidine, (2-(hexahydro-1,4-thiazepin-4-yl)ethyl)-, S-oxide, sulfate Guanidine, (2-(tetrahydro-1,4-thiazepin-4(5H)-yl)ethyl)-, S-oxide, sulfate