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    —— methyl (7S)-7-[4-[(4-chlorophenyl)methoxy]-3-methoxyphenyl]-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate —— C25H27ClN4O4S
    methyl (7S)-7-[4-[(4-chlorophenyl)methoxy]-3-methoxyphenyl]-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7S)-7-(3-bromo-4,5-dimethoxyphenyl)-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate —— C19H23BrN4O4S
    methyl (7S)-7-(3-bromo-4,5-dimethoxyphenyl)-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7R)-7-[4-[(2-fluorophenyl)methoxy]-3-methoxyphenyl]-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate —— C25H27FN4O4S
    methyl (7R)-7-[4-[(2-fluorophenyl)methoxy]-3-methoxyphenyl]-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7S)-7-[4-[(2-chlorophenyl)methoxy]-3-ethoxyphenyl]-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate —— C26H29ClN4O4S
    methyl (7S)-7-[4-[(2-chlorophenyl)methoxy]-3-ethoxyphenyl]-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7S)-7-(3-methoxy-4-phenylmethoxyphenyl)-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate —— C25H28N4O4S
    methyl (7S)-7-(3-methoxy-4-phenylmethoxyphenyl)-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7S)-7-[3-ethoxy-4-[(3-methylphenyl)methoxy]phenyl]-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate —— C27H32N4O4S
    methyl (7S)-7-[3-ethoxy-4-[(3-methylphenyl)methoxy]phenyl]-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7R)-7-[4-[(2-chlorophenyl)methoxy]-3-methoxyphenyl]-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate —— C25H27ClN4O4S
    methyl (7R)-7-[4-[(2-chlorophenyl)methoxy]-3-methoxyphenyl]-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7R)-7-(3-bromo-4,5-dimethoxyphenyl)-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate —— C19H23BrN4O4S
    methyl (7R)-7-(3-bromo-4,5-dimethoxyphenyl)-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7R)-7-[3-ethoxy-4-[(4-methylphenyl)methoxy]phenyl]-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate —— C27H32N4O4S
    methyl (7R)-7-[3-ethoxy-4-[(4-methylphenyl)methoxy]phenyl]-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7R)-7-[3-methoxy-4-[(4-methylphenyl)methoxy]phenyl]-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate —— C26H30N4O4S
    methyl (7R)-7-[3-methoxy-4-[(4-methylphenyl)methoxy]phenyl]-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7R)-7-(3-ethoxy-4-methoxyphenyl)-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate —— C20H26N4O4S
    methyl (7R)-7-(3-ethoxy-4-methoxyphenyl)-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate
    —— Methyl 1-(2-benzo[e][1]benzofuran-1-ylacetyl)oxynaphthalene-2-carboxylate —— C26H18O5
    Methyl 1-(2-benzo[e][1]benzofuran-1-ylacetyl)oxynaphthalene-2-carboxylate
    —— Methyl 1-[6-bromo-4-(dibromomethyl)-5,5-dimethylbicyclo[2.1.1]hexane-1-carbonyl]oxynaphthalene-2-carboxylate —— C22H21Br3O4
    Methyl 1-[6-bromo-4-(dibromomethyl)-5,5-dimethylbicyclo[2.1.1]hexane-1-carbonyl]oxynaphthalene-2-carboxylate
    —— Methyl 1-(4,7,7-trimethyl-3-oxobicyclo[2.2.1]heptane-1-carbonyl)oxynaphthalene-2-carboxylate —— C23H24O5
    Methyl 1-(4,7,7-trimethyl-3-oxobicyclo[2.2.1]heptane-1-carbonyl)oxynaphthalene-2-carboxylate
    —— methyl (7S)-7-[4-[(4-chlorophenyl)methoxy]-3-ethoxyphenyl]-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate —— C26H29ClN4O4S
    methyl (7S)-7-[4-[(4-chlorophenyl)methoxy]-3-ethoxyphenyl]-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7S)-7-(3-chlorophenyl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate —— C21H16ClN7O2S2
    methyl (7S)-7-(3-chlorophenyl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7R)-7-naphthalen-1-yl-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate —— C25H19N7O2S2
    methyl (7R)-7-naphthalen-1-yl-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7S)-7-(3-bromo-4,5-diethoxyphenyl)-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate —— C21H27BrN4O4S
    methyl (7S)-7-(3-bromo-4,5-diethoxyphenyl)-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7R)-7-(4-hydroxyphenyl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate —— C21H17N7O3S2
    methyl (7R)-7-(4-hydroxyphenyl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7S)-7-(3,4-dimethoxyphenyl)-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate —— C19H24N4O4S
    methyl (7S)-7-(3,4-dimethoxyphenyl)-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7S)-7-(3-ethoxyphenyl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate —— C23H21N7O3S2
    methyl (7S)-7-(3-ethoxyphenyl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7S)-7-(3-nitrophenyl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate —— C21H16N8O4S2
    methyl (7S)-7-(3-nitrophenyl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7R)-7-[3-ethoxy-4-[(2-fluorophenyl)methoxy]phenyl]-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate —— C26H29FN4O4S
    methyl (7R)-7-[3-ethoxy-4-[(2-fluorophenyl)methoxy]phenyl]-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7R)-7-(4-ethylphenyl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate —— C23H21N7O2S2
    methyl (7R)-7-(4-ethylphenyl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7S)-7-(4-chlorophenyl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate —— C21H16ClN7O2S2
    methyl (7S)-7-(4-chlorophenyl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7R)-7-(3-methylthiophen-2-yl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate —— C20H17N7O2S3
    methyl (7R)-7-(3-methylthiophen-2-yl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7S)-7-(2-ethoxyphenyl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate —— C23H21N7O3S2
    methyl (7S)-7-(2-ethoxyphenyl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7R)-7-(4-fluorophenyl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate —— C21H16FN7O2S2
    methyl (7R)-7-(4-fluorophenyl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7S)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-7-pyridin-2-yl-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate —— C20H16N8O2S2
    methyl (7S)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-7-pyridin-2-yl-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7S)-7-(4-tert-butylphenyl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate —— C25H25N7O2S2
    methyl (7S)-7-(4-tert-butylphenyl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7S)-7-(4-methylphenyl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate —— C22H19N7O2S2
    methyl (7S)-7-(4-methylphenyl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7R)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-7-(3-propan-2-yloxyphenyl)-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate —— C24H23N7O3S2
    methyl (7R)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-7-(3-propan-2-yloxyphenyl)-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7R)-7-(4-methylphenyl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate —— C22H19N7O2S2
    methyl (7R)-7-(4-methylphenyl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7S)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-7-pyridin-3-yl-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate —— C20H16N8O2S2
    methyl (7S)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-7-pyridin-3-yl-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7S)-7-(furan-2-yl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate —— C19H15N7O3S2
    methyl (7S)-7-(furan-2-yl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7S)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-7-(3-propoxyphenyl)-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate —— C24H23N7O3S2
    methyl (7S)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-7-(3-propoxyphenyl)-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate
    —— Methyl 4-[[3-oxo-2-(pyridin-4-ylmethylidene)-1-benzofuran-6-yl]oxymethyl]benzoate —— C23H17NO5
    Methyl 4-[[3-oxo-2-(pyridin-4-ylmethylidene)-1-benzofuran-6-yl]oxymethyl]benzoate
    —— methyl (7S)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-7-(2-propoxyphenyl)-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate —— C24H23N7O3S2
    methyl (7S)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-7-(2-propoxyphenyl)-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7S)-7-[3-ethoxy-4-[(2-methylphenyl)methoxy]phenyl]-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate —— C27H32N4O4S
    methyl (7S)-7-[3-ethoxy-4-[(2-methylphenyl)methoxy]phenyl]-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7S)-7-(3-bromo-5-ethoxy-4-methoxyphenyl)-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate —— C20H25BrN4O4S
    methyl (7S)-7-(3-bromo-5-ethoxy-4-methoxyphenyl)-5-methyl-2-propylsulfanyl-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7S)-7-(1H-indol-3-yl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate —— C23H18N8O2S2
    methyl (7S)-7-(1H-indol-3-yl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7S)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-7-(4-propan-2-yloxyphenyl)-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate —— C24H23N7O3S2
    methyl (7S)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-7-(4-propan-2-yloxyphenyl)-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7R)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-7-(4-propan-2-yloxyphenyl)-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate —— C24H23N7O3S2
    methyl (7R)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-7-(4-propan-2-yloxyphenyl)-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7R)-7-(4-nitrophenyl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate —— C21H16N8O4S2
    methyl (7R)-7-(4-nitrophenyl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7R)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-7-thiophen-2-yl-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate —— C19H15N7O2S3
    methyl (7R)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-7-thiophen-2-yl-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7R)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-7-(4-propoxyphenyl)-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate —— C24H23N7O3S2
    methyl (7R)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-7-(4-propoxyphenyl)-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7S)-7-(3-hydroxyphenyl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate —— C21H17N7O3S2
    methyl (7S)-7-(3-hydroxyphenyl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7R)-7-phenyl-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate —— C21H17N7O2S2
    methyl (7R)-7-phenyl-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7R)-7-(3-ethoxyphenyl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate —— C23H21N7O3S2
    methyl (7R)-7-(3-ethoxyphenyl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate
    —— methyl (7S)-7-(4-nitrophenyl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate —— C21H16N8O4S2
    methyl (7S)-7-(4-nitrophenyl)-5-[(5-phenyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-1,7-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylate