In the title compound. C13H10N2O5S. the N—C bond in the C—SO2—NH—C segment has gauche torsion angles with respect to the S=O bonds. The conformation between the N—H bond and the ortho-nitro group in the sulfonyl benzene ring is syn. https://safeersappliancers.shop/product-category/hide-pyro-oven-with-variosteam/