3,4-dihydro-3-phenyl-2H-benzothiazine 1,1-dioxide
1-(furan-2-ylmethyl)-3,3-dimethyl-1-(4-nitrobenzyl) urea
ethyl 4-(3,3-dimethyl-1-(4-nitrobenzyl)ureido) piperidine-1-carboxylate
1,1-dimethyl-3-(2-morpholinoethyl)-3-(4-nitrobenzyl) urea
1-(furan-2-ylmethyl)-1-(4-hydroxybenzyl)-3,3-dimethyl urea