Structure based on 1m17

Ideal structure
Name: [6,7-bis(2-methoxy-ethoxy)quinazoline-4-yl]-(3-ethynylphenyl)amine
Formula: C22 H23 N3 O4
Weight: 393.436
SMILES: "COCCOc1cc2ncnc(Nc3cccc(c3)C#C)c2cc1OCCOC"
Spacial conformation based on PDB 1m17.
Also present on 4hjo, 6dwn
RESIDUE   AQ4     52
CONECT      C1     2 C2   H1  
CONECT      C2     2 C1   C3  
CONECT      C3     3 C2   C4   C22 
CONECT      C4     3 C3   C5   H2  
CONECT      C5     3 C4   N1   C20 
CONECT      N1     3 C5   C6   H3  
CONECT      C6     3 N1   C7   N3  
CONECT      C7     3 C6   C8   C18 
CONECT      C8     3 C7   C9   H4  
CONECT      C9     3 C8   O1   C13 
CONECT      O1     2 C9   C10 
CONECT      C10    4 O1   C11  H5   H6  
CONECT      C11    4 C10  O2   H7   H8  
CONECT      O2     2 C11  C12 
CONECT      C12    4 O2   H9   H10  H11 
CONECT      C13    3 C9   O3   C17 
CONECT      O3     2 C13  C14 
CONECT      C14    4 O3   C15  H12  H13 
CONECT      C15    4 C14  O4   H14  H15 
CONECT      O4     2 C15  C16 
CONECT      C16    4 O4   H16  H17  H18 
CONECT      C17    3 C13  C18  H19 
CONECT      C18    3 C7   C17  N2  
CONECT      N2     2 C18  C19 
CONECT      C19    3 N2   N3   H20 
CONECT      N3     2 C6   C19 
CONECT      C20    3 C5   C21  H21 
CONECT      C21    3 C20  C22  H22 
CONECT      C22    3 C3   C21  H23 
CONECT      H1     1 C1  
CONECT      H2     1 C4  
CONECT      H3     1 N1  
CONECT      H4     1 C8  
CONECT      H5     1 C10 
CONECT      H6     1 C10 
CONECT      H7     1 C11 
CONECT      H8     1 C11 
CONECT      H9     1 C12 
CONECT      H10    1 C12 
CONECT      H11    1 C12 
CONECT      H12    1 C14 
CONECT      H13    1 C14 
CONECT      H14    1 C15 
CONECT      H15    1 C15 
CONECT      H16    1 C16 
CONECT      H17    1 C16 
CONECT      H18    1 C16 
CONECT      H19    1 C17 
CONECT      H20    1 C19 
CONECT      H21    1 C20 
CONECT      H22    1 C21 
CONECT      H23    1 C22 
END   
HET    AQ4             52
HETSYN     AQ4 ERLOTINIB
HETNAM     AQ4 [6,7-BIS(2-METHOXY-ETHOXY)QUINAZOLINE-4-YL]-(3-ETHYNYLP
HETNAM   2 AQ4 HENYL)AMINE
FORMUL      AQ4    C22 H23 N3 O4

This OCA MONOMER page
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