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    —— (6E)-3-ethylsulfonyl-5-imino-6-[[5-(3-nitrophenyl)furan-2-yl]methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C18H13N5O6S2
    (6E)-3-ethylsulfonyl-5-imino-6-[[5-(3-nitrophenyl)furan-2-yl]methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-6-[[1-(2,4-dimethylphenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C22H23N5O3S2
    (6E)-6-[[1-(2,4-dimethylphenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-6-[[2,5-dimethyl-1-(2-methyl-5-nitrophenyl)pyrrol-3-yl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C21H20N6O5S2
    (6E)-6-[[2,5-dimethyl-1-(2-methyl-5-nitrophenyl)pyrrol-3-yl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-5-imino-3-(2-methylpropylsulfonyl)-6-[(3,4,5-trimethoxyphenyl)methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C19H22N4O6S2
    (6E)-5-imino-3-(2-methylpropylsulfonyl)-6-[(3,4,5-trimethoxyphenyl)methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-6-[[3-chloro-4-[(4-methylphenyl)methoxy]phenyl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C22H19ClN4O4S2
    (6E)-6-[[3-chloro-4-[(4-methylphenyl)methoxy]phenyl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-3-ethylsulfonyl-5-imino-6-[[4-[2-(3-methoxyphenoxy)ethoxy]phenyl]methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C23H22N4O6S2
    (6E)-3-ethylsulfonyl-5-imino-6-[[4-[2-(3-methoxyphenoxy)ethoxy]phenyl]methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-6-[[1-(2,5-dimethoxyphenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-5-imino-3-methylsulfonyl-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C21H21N5O5S2
    (6E)-6-[[1-(2,5-dimethoxyphenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-5-imino-3-methylsulfonyl-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-6-[[1-(5-chloro-2-methoxyphenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C21H20ClN5O4S2
    (6E)-6-[[1-(5-chloro-2-methoxyphenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-6-[[3-ethoxy-4-[(4-fluorophenyl)methoxy]phenyl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C23H21FN4O5S2
    (6E)-6-[[3-ethoxy-4-[(4-fluorophenyl)methoxy]phenyl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-5-imino-3-(2-methylpropylsulfonyl)-6-[[4-(2-phenoxyethoxy)phenyl]methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C24H24N4O5S2
    (6E)-5-imino-3-(2-methylpropylsulfonyl)-6-[[4-(2-phenoxyethoxy)phenyl]methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-3-ethylsulfonyl-5-imino-6-[[4-(3-phenoxypropoxy)phenyl]methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C23H22N4O5S2
    (6E)-3-ethylsulfonyl-5-imino-6-[[4-(3-phenoxypropoxy)phenyl]methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-3-ethylsulfonyl-6-(furan-2-ylmethylidene)-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C12H10N4O4S2
    (6E)-3-ethylsulfonyl-6-(furan-2-ylmethylidene)-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-3-ethylsulfonyl-6-[[4-[(4-fluorophenyl)methoxy]-3-methoxyphenyl]methylidene]-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C22H19FN4O5S2
    (6E)-3-ethylsulfonyl-6-[[4-[(4-fluorophenyl)methoxy]-3-methoxyphenyl]methylidene]-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-6-[[1-(3,4-dimethylphenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C22H23N5O3S2
    (6E)-6-[[1-(3,4-dimethylphenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-3-ethylsulfonyl-6-[[5-(4-fluorophenyl)furan-2-yl]methylidene]-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C18H13FN4O4S2
    (6E)-3-ethylsulfonyl-6-[[5-(4-fluorophenyl)furan-2-yl]methylidene]-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-3-ethylsulfonyl-5-imino-6-[(5-methylfuran-2-yl)methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C13H12N4O4S2
    (6E)-3-ethylsulfonyl-5-imino-6-[(5-methylfuran-2-yl)methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-3-ethylsulfonyl-5-imino-6-[[4-(2-phenoxyethoxy)phenyl]methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C22H20N4O5S2
    (6E)-3-ethylsulfonyl-5-imino-6-[[4-(2-phenoxyethoxy)phenyl]methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-3-ethylsulfonyl-5-imino-6-[(4-methoxyphenyl)methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C15H14N4O4S2
    (6E)-3-ethylsulfonyl-5-imino-6-[(4-methoxyphenyl)methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-6-[[1-(4-chlorophenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C20H18ClN5O3S2
    (6E)-6-[[1-(4-chlorophenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-6-[(3,4-dimethoxyphenyl)methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C16H16N4O5S2
    (6E)-6-[(3,4-dimethoxyphenyl)methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-6-[[5-(4-chlorophenyl)sulfanylfuran-2-yl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C18H13ClN4O4S3
    (6E)-6-[[5-(4-chlorophenyl)sulfanylfuran-2-yl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-6-[[4-[2-(3,4-dimethylphenoxy)ethoxy]phenyl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C24H24N4O5S2
    (6E)-6-[[4-[2-(3,4-dimethylphenoxy)ethoxy]phenyl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-6-[[1-(2-ethoxyphenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C22H23N5O4S2
    (6E)-6-[[1-(2-ethoxyphenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-3-ethylsulfonyl-5-imino-6-[[1-(2-methoxy-5-methylphenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C22H23N5O4S2
    (6E)-3-ethylsulfonyl-5-imino-6-[[1-(2-methoxy-5-methylphenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-3-ethylsulfonyl-5-imino-6-[[3-methoxy-4-[(2-methylphenyl)methoxy]phenyl]methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C23H22N4O5S2
    (6E)-3-ethylsulfonyl-5-imino-6-[[3-methoxy-4-[(2-methylphenyl)methoxy]phenyl]methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-6-[[4-[(2-chlorophenyl)methoxy]-3-methoxyphenyl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C22H19ClN4O5S2
    (6E)-6-[[4-[(2-chlorophenyl)methoxy]-3-methoxyphenyl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-5-imino-3-(2-methylpropylsulfonyl)-6-[(5-phenylfuran-2-yl)methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C20H18N4O4S2
    (6E)-5-imino-3-(2-methylpropylsulfonyl)-6-[(5-phenylfuran-2-yl)methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-6-[[4-[(4-chlorophenyl)methoxy]phenyl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C21H17ClN4O4S2
    (6E)-6-[[4-[(4-chlorophenyl)methoxy]phenyl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-3-ethylsulfonyl-5-imino-6-[(3-methoxy-4-prop-2-enoxyphenyl)methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C18H18N4O5S2
    (6E)-3-ethylsulfonyl-5-imino-6-[(3-methoxy-4-prop-2-enoxyphenyl)methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-3-ethylsulfonyl-5-imino-6-[[4-[2-(4-methylphenoxy)ethoxy]phenyl]methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C23H22N4O5S2
    (6E)-3-ethylsulfonyl-5-imino-6-[[4-[2-(4-methylphenoxy)ethoxy]phenyl]methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-6-[[3-chloro-4-[(2-fluorophenyl)methoxy]phenyl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C21H16ClFN4O4S2
    (6E)-6-[[3-chloro-4-[(2-fluorophenyl)methoxy]phenyl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— 6-ethyl-3-[(Z)-[5-(2-fluorophenyl)furan-2-yl]methylideneamino]thieno[2,3-d]pyrimidin-4-one —— C19H14FN3O2S
    6-ethyl-3-[(Z)-[5-(2-fluorophenyl)furan-2-yl]methylideneamino]thieno[2,3-d]pyrimidin-4-one
    —— (6E)-6-[[1-(5-chloro-2-methylphenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C21H20ClN5O3S2
    (6E)-6-[[1-(5-chloro-2-methylphenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-3-ethylsulfonyl-6-[[4-[(4-fluorophenyl)methoxy]phenyl]methylidene]-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C21H17FN4O4S2
    (6E)-3-ethylsulfonyl-6-[[4-[(4-fluorophenyl)methoxy]phenyl]methylidene]-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-3-ethylsulfonyl-6-[[1-(4-fluorophenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C20H18FN5O3S2
    (6E)-3-ethylsulfonyl-6-[[1-(4-fluorophenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-3-ethylsulfonyl-5-imino-6-[[3-methoxy-4-[(3-methylphenyl)methoxy]phenyl]methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C23H22N4O5S2
    (6E)-3-ethylsulfonyl-5-imino-6-[[3-methoxy-4-[(3-methylphenyl)methoxy]phenyl]methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-6-[[5-(3-chlorophenyl)furan-2-yl]methylidene]-5-imino-3-(2-methylpropylsulfonyl)-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C20H17ClN4O4S2
    (6E)-6-[[5-(3-chlorophenyl)furan-2-yl]methylidene]-5-imino-3-(2-methylpropylsulfonyl)-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-6-[[1-(2,4-dimethoxyphenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C22H23N5O5S2
    (6E)-6-[[1-(2,4-dimethoxyphenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-3-ethylsulfonyl-5-imino-6-[[4-[(4-methylphenyl)methoxy]phenyl]methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C22H20N4O4S2
    (6E)-3-ethylsulfonyl-5-imino-6-[[4-[(4-methylphenyl)methoxy]phenyl]methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-5-imino-6-[(4-methoxyphenyl)methylidene]-3-(2-methylpropylsulfonyl)-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C17H18N4O4S2
    (6E)-5-imino-6-[(4-methoxyphenyl)methylidene]-3-(2-methylpropylsulfonyl)-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-6-[[3-chloro-4-[(2-methylphenyl)methoxy]phenyl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C22H19ClN4O4S2
    (6E)-6-[[3-chloro-4-[(2-methylphenyl)methoxy]phenyl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-6-[[1-(3-chloro-4-fluorophenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C20H17ClFN5O3S2
    (6E)-6-[[1-(3-chloro-4-fluorophenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-5-imino-3-(2-methylpropylsulfonyl)-6-[[5-(4-nitrophenyl)furan-2-yl]methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C20H17N5O6S2
    (6E)-5-imino-3-(2-methylpropylsulfonyl)-6-[[5-(4-nitrophenyl)furan-2-yl]methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-6-(1,3-benzodioxol-5-ylmethylidene)-5-imino-3-(2-methylpropylsulfonyl)-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C17H16N4O5S2
    (6E)-6-(1,3-benzodioxol-5-ylmethylidene)-5-imino-3-(2-methylpropylsulfonyl)-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-6-[[2,5-dimethyl-1-(2-methyl-5-nitrophenyl)pyrrol-3-yl]methylidene]-5-imino-3-methylsulfonyl-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C20H18N6O5S2
    (6E)-6-[[2,5-dimethyl-1-(2-methyl-5-nitrophenyl)pyrrol-3-yl]methylidene]-5-imino-3-methylsulfonyl-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-3-ethylsulfonyl-5-imino-6-[[4-[(2-methylphenyl)methoxy]phenyl]methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C22H20N4O4S2
    (6E)-3-ethylsulfonyl-5-imino-6-[[4-[(2-methylphenyl)methoxy]phenyl]methylidene]-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-6-[[1-(3,5-dimethylphenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C22H23N5O3S2
    (6E)-6-[[1-(3,5-dimethylphenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-6-[[4-[2-(2-chlorophenoxy)ethoxy]phenyl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C22H19ClN4O5S2
    (6E)-6-[[4-[2-(2-chlorophenoxy)ethoxy]phenyl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-6-[[5-(3-chloro-4-methylphenyl)furan-2-yl]methylidene]-5-imino-3-(2-methylpropylsulfonyl)-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C21H19ClN4O4S2
    (6E)-6-[[5-(3-chloro-4-methylphenyl)furan-2-yl]methylidene]-5-imino-3-(2-methylpropylsulfonyl)-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one
    —— (6E)-6-[[1-(3-chloro-4-methoxyphenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one —— C21H20ClN5O4S2
    (6E)-6-[[1-(3-chloro-4-methoxyphenyl)-2,5-dimethylpyrrol-3-yl]methylidene]-3-ethylsulfonyl-5-imino-[1,2,4]thiadiazolo[4,5-a]pyrimidin-7-one