1H-thiopyrano[3,4-c]pyridine-5-carbonitrile, 6-[2-(4-chlorophenyl)-2-oxoethoxy]-3,4-dihydro-8-methoxy- 6-[2-(4-chlorophenyl)-2-oxoethoxy]-8-methoxy-3,4-dihydro-1H-thiopyrano[3,4-c]pyridine-5-carbonitrile InChI=1/C18H15ClN2O3S/c1-23-17-15-10-25-7-6-13(15)14(8-20)18(21-17)24-9-16(22)11-2-4-12(19)5-3-11/h2-5H,6-7,9-10H2,1H