1255087-69-4

3,4-Bis[[(9R)-6'-methoxycinchonan-9-yl]amino]-3-cyclobutene-1,2-dione 3,4-bis[[(9R)-6'- methoxycinchonan-9-yl]amino]-3-Cyclobutene-1,2-dione 3-Cyclobutene-1,2-dione, 3,4-bis[[(9R)-6'-methoxycinchonan-9-yl]amino]- 3,4-Bis(((1R)-(6-methoxyquinolin-4-yl)(5-vinylquinuclidin-2-yl)methyl)amino)cyclobut-3-ene-1,2-dione