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5-Methyl 3-(2-methyl-prop-3-yl) 2,6-di-methyl-4-(2-nitro-sophen-yl)pyridine-3,5-dicarboxyl-ate
Hui Chen1, Ding Qu, Qiao-Feng Wang
1School of Pharmacy, Fourth Military Medical University, Changle West Road 17, 710032 Xi-An, People's Republic of China.
Abstract:
In the title compound, C(20)H(22)N(2)O(5), a photo-degradation product of the hypertension drug nisoldipine, the dihedral angle between the nitro-sophenyl ring and the pyridine ring is 75.7 (3)°. In the crystal structure, weak C-H⋯O hydrogen bonds help to establish the packing.
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