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(6S,6aS,8R,9S,10aS)-9-(4-methoxyphenyl)-2,4-dimethyl-8-nitro-6-phenyl-4,6,6a,7,8,9,10,10a-octahydro-1H-isochromeno[3,4-d]pyrimidine-1,3(2H)-dione
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(6S,6aS,8R,9S,10aS)-2,4-dimethyl-8-nitro-9-(4-nitrophenyl)-6-phenyl-4,6,6a,7,8,9,10,10a-octahydro-1H-isochromeno[3,4-d]pyrimidine-1,3(2H)-dione
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(6S,6aS,8R,9S,10aS)-9-(4-chlorophenyl)-2,4-dimethyl-8-nitro-6-phenyl-4,6,6a,7,8,9,10,10a-octahydro-1H-isochromeno[3,4-d]pyrimidine-1,3(2H)-dione
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