40899-34-1;NSC166611;AC1L6Q50;NSC-166611;8-chloro-4-ethyl-4-hydroxy-1H-pyrano[3,4-c]pyridin-3-one;8-chloro-4-ethyl-4-hydroxy-1,4-dihydro-3H-pyrano[3,4-c]pyridin-3-one
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