Sultam is a see also of organosulfur.

In context|chemistry|lang=en terms the difference between sultam and organosulfur

is that sultam is (chemistry) a cyclic sulfonamide in which the s-n bond is part of the ring while organosulfur is (chemistry) describing any of a series of derivatives of sulfur that have at least one alkyl or aryl group, especially one containing at least one carbon-sulfur bond.

As a noun sultam

is (chemistry) a cyclic sulfonamide in which the s-n bond is part of the ring.

As an adjective organosulfur is

(chemistry) describing any of a series of derivatives of sulfur that have at least one alkyl or aryl group, especially one containing at least one carbon-sulfur bond.