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2,4-Dichloro-5H-pyrrolo[3,2-D]pyrimidine63200-54-4100 % similar 4-Chloro-5H-pyrrolo[3,2-D] pyrimidine84905-80-655 % similar 2-Chloro-5H-pyrrolo[3,2-D]pyrimidine1119280-66-845 % similar 2,4,6,8-Tetrachloropyrimido[5,4-d]pyrimidine32980-71-544 % similar 2,4-Dichloroquinazoline607-68-144 % similar 2,4-Dichlorothieno[3,2-D]pyrimidine16234-14-342 % similar 7-Chloro-1H-pyrrolo[2,3-c]pyridine357263-41-341 % similar 7-Chloro-1H-pyrrolo[3,2-b]pyridine357263-48-041 % similar 2,4-Dichloropyrido[3,2-D]pyrimidine39551-54-741 % similar 2,4,6-Trichloroquinazoline20028-68-640 % similar 2,4-Dichloropyrido[3,4-D]pyrimidine908240-50-640 % similar 2,4,5,6-Tetrachloropyrimidine1780-40-139 % similar 2,4-Dichloro-5-fluoroquinazoline87611-00-539 % similar 6-Bromo-2,4-dichloroquinazoline102393-82-838 % similar 7-Bromo-2,4-dichloroquinazoline959237-68-438 % similar 2-Chloro-5H-pyrrolo[2,3-B]pyrazine889447-19-237 % similar 9-Deazaguanine65996-58-937 % similar 2,4,6-Trichloro-5-methylpyrimidine1780-36-537 % similar 4,6-Dichloro-1H-pyrrolo[3,2-c]pyridine67139-79-135 % similar 2,4-Dichloro-6-methoxyquinazoline105763-77-735 % similar