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Tetrazole, 5-(1-pyrrolidinyl)- (5ci)

Tetrazolo[1,5-a]pyridin-7-ol, 5-methyl- (9ci)

Tetrazolo[1,5-a]pyrimidine, 4,5,6,7-tetrahydro-4-methyl- (9ci)

Tetrazolo[1,5-a]pyrimidine-6-carbonitrile, 7-amino-

Tetrazolo[1,5-a]quinoxaline, 4,5-dihydro- (9ci)

Tetrazolo[1,5-a]quinoxaline, 4,5-dihydro-4-methyl- (9ci)

Tetrazolo[1,5-a]quinoxaline, 4,5-dihydro-5-methyl- (9ci)

Tetrazolo[1,5-a]quinoxaline, 4,5-dihydro-6-methyl- (9ci)

Tetrazolo[1,5-b]pyridazin-6-amine, 7-methyl- (9ci)

Tetrazolo[1,5-b]pyridazin-6-amine, 8-methyl- (9ci)