Structure based on 3ej1

Ideal structure
Name: n-cyclopropyl-4-pyrazolo[1,5-b]pyridazin-3-ylpyrimidin-2-amine
Formula: C13 H12 N6
Weight: 252.275
SMILES: "C1CC1Nc2nccc(n2)c3cnn4ncccc34"
Spacial conformation based on PDB 3ej1
RESIDUE   5BP     31
CONECT      N1     2 C2   N9  
CONECT      C4     3 C5   C3   N9  
CONECT      C5     3 C4   C6   H5  
CONECT      C6     3 C5   C7   H6  
CONECT      C7     3 C6   N8   H7  
CONECT      C10    3 C15  C3   N11 
CONECT      C15    3 C10  C14  H15 
CONECT      C17    4 N16  C18  C19  H17 
CONECT      C2     3 N1   C3   H2  
CONECT      C3     3 C4   C10  C2  
CONECT      N8     2 C7   N9  
CONECT      N9     3 N1   C4   N8  
CONECT      N11    2 C10  C12 
CONECT      C12    3 N11  N13  N16 
CONECT      N13    2 C12  C14 
CONECT      C14    3 C15  N13  H14 
CONECT      N16    3 C17  C12  HN16
CONECT      C18    4 C17  C19  H18  H18A
CONECT      C19    4 C17  C18  H19  H19A
CONECT      H5     1 C5  
CONECT      H6     1 C6  
CONECT      H7     1 C7  
CONECT      H15    1 C15 
CONECT      H17    1 C17 
CONECT      H2     1 C2  
CONECT      H14    1 C14 
CONECT      HN16   1 N16 
CONECT      H18    1 C18 
CONECT      H18A   1 C18 
CONECT      H19    1 C19 
CONECT      H19A   1 C19 
END   
HET    5BP             31
HETNAM     5BP N-cyclopropyl-4-pyrazolo[1,5-b]pyridazin-3-ylpyrimidin-
HETNAM   2 5BP 2-amine
FORMUL      5BP    C13 H12 N6

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uses Jmol, developed by the Jmol Development Team (color reference)
OCA© by Jaime Prilusky, 1996-2004,2006,2010,2014
Bioinformatics Unit
Weizmann Institute of Science