3-[[3,5-Bis(trifluoromethyl)phenyl]amino]-4-[[(1R,2R)-1,2-diphenyl-2-(1-piperidinyl)ethyl]amino]-3-cyclobutene-1,2-dione, 98%, (99% ee)

3-[[3,5-Bis(trifluoromethyl)phenyl]amino]-4-[[(1S,2S)-1,2-diphenyl-2-(1-piperidinyl)ethyl]amino]-3-cyclobutene-1,2-dione, 98%, (99% ee)

3-[[3,5-Bis(trifluoromethyl)phenyl]amino]-4-[[(1S,2S)-2-(dimethylamino)-1,2-diphenylethyl]amino]-3-cyclobutene-1,2-dione, 98%, (99% ee)

3-[[3,5-Bis(trifluoromethyl)phenyl]amino]-4-[[(1R,2R)-2-(1-pyrrolidinyl)cyclohexyl]amino]-3-cyclobutene-1,2-dione, 98%, (99% ee)

3-[[(1R,2R)-2-(1-Piperidinyl)cyclohexyl]amino]-4-[[4-(trifluoromethyl)phenyl]amino]-3-cyclobutene-1,2-dione, 98%, (99% ee)

3-[[[3,5-Bis(trifluoromethyl)phenyl]methyl]amino]-4-[[(8α;,9S)-6'-methoxycinchonan-9-yl]amino]-3-cyclobutene-1,2-dione, 98%

3-[[(8α;,9S)-6’-Methoxycinchonan-9-yl]amino]-4-[(1H-benzimidazol-2-yl)amino]-3-cyclobutene-1,2-dione, 98%

3-[(1S,2S)-2-Aminocyclohexylamino]-4-[3,5-bis(trifluoromethyl)phenylamino]cyclobut-3-ene-1,2-dione Hydrochloride, 95%, (99% ee)

3-[(1R,2R)-2-Aminocyclohexylamino]-4-[3,5-bis(trifluoromethyl)phenylamino]cyclobut-3-ene-1,2-dione Hydrochloride, 98%, (99% ee)

3-[[[3,5-Bis(trifluoromethyl)phenyl]methyl]amino]-4-[[(9R)-10,11-dihydro-6'-methoxycinchonan-9-yl]amino]-3-cyclobutene-1,2-dione, 95%

3-[[3,5-Bis(trifluoromethyl)phenyl]amino]-4-[[(9R)-10,11-dihydrocinchonan-9-yl]amino]-3-cyclobutene-1,2-dione, 98%

2,6-Bis[(4R)-phenyl-2-oxazolin-2-yl]pyridine, 98%, (99% ee)