N-{3-[(3-{(3β)-cholest-5-en-3-yl[(2-nitrophenyl)sulfonyl]amino}propyl)amino]-3-oxopropyl}-6-[(2,4-dinitrophenyl)amino]hexanamide

N-{3-[(3-{(3β)-cholest-5-en-3-yl[(2-nitrophenyl)sulfonyl]amino}propyl)amino]-3-oxopropyl}-6-(7-nitrobenzofurazan-4-ylamino)hexanamide

tert-butyl 3-[(3-{(3β)-cholest-5-en-3-yl[(2-nitrophenyl)sulfonyl]amino}propyl)amino]-3-oxopropylcarbamate

3-amino-N-(2-{3-[[17-(1,5-dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl]-(2-nitro-benzenesulfonyl)-amino]-propylcarbamoyl}-ethyl)-propionamide

tert-butyl 3-({3-[(3-{(3β)-cholest-5-en-3-yl[(2-nitrophenyl)sulfonyl]amino}propyl)amino]-3-oxopropyl}amino)-3-oxopropylcarbamate