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

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

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

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