ethyl 6-methyl-2-[[(Z)-3-(3-nitrophenyl)prop-2-enoyl]amino]-4,5,6,7-tetrahydrothieno[2,3-c]pyridin-6-ium-3-carboxylate
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ethyl 6-methyl-2-[[(Z)-3-(3-nitrophenyl)prop-2-enoyl]amino]-4,5,6,7-tetrahydrothieno[2,3-c]pyridin-6-ium-3-carboxylate以