 
- 
                        1,2,4-Triazolo[4,3-b]pyridazine,
6-(4-chloro-3-methylphenyl)-8-(2,5-dimethylphenyl)-7,8-dihydro-3-methyl
-CAS:89936-42-5Formula:C21H21ClN4 
                     
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                        4-Pyrimidinamine,
5-[[6-(4-chlorophenyl)-3,4-dihydro-2(1H)-isoquinolinyl]methyl]-2-methyl-CAS:189744-77-2Formula:C21H21ClN4 
                     
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                        6H-1,3,6,8a-Tetraazaacenaphthylene,
2-(2-chloro-4-methylphenyl)-7-ethyl-7,8-dihydro-4-methyl-6-(2-propynyl)-
, (7S)-CAS:268546-31-2Formula:C21H21ClN4 
                     
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                        Benzaldehyde, 4-(1-pyrrolidinylmethyl)-,
(7-chloro-4-quinolinyl)hydrazoneCAS:914250-47-8Formula:C21H21ClN4 
                     
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                        2-Pyrimidinamine, 4-[4-[4-(4-chlorophenyl)-4-piperidinyl]phenyl]-CAS:917807-69-3Formula:C21H21ClN4 
                     
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                        7H-Pyrrolo[2,3-d]pyrimidine-2-carbonitrile,
6-[(4-chlorophenyl)methyl]-7-(cyclohexylmethyl)-CAS:501129-37-9Formula:C21H21ClN4