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# Table 4 Pharmacophore annotations of compound **3**

From: Computational studies of 2-(4-oxo-3-phenylthiazolidin-2-ylidene)malononitrile

Pharmacophore | Annotation |
---|---|

Number of hydrogen bond acceptor atoms | 3 |

Number of acidic atoms | 0 |

Number of basic atoms | 0 |

Number of hydrogen bond donor atoms | 0 |

Number of hydrogen bond donor and hydrogen bond acceptor atoms | 3 |

Number of hydrophobic atoms | 10 |

Approximation to the sum of VDW surface areas (Å2) of pure hydrogen bond acceptors | 49.052 |

Approximation to the sum of VDW surface areas of acidic atoms (Å2) | 0 |

Approximation to the sum of VDW surface areas of basic atoms (Å2) | 0 |

Approximation to the sum of VDW surface areas of pure hydrogen bond donors (Å2) | 0 |

vsa_hyd | 134.17 |

Approximation to the sum of VDW surface areas (Å2) of atoms typed as “other” | 53.55 |

Approximation to the sum of VDW surface areas (Å2) of polar atoms (atoms that are both hydrogen bond donors and acceptors), such as –OH | 49.052 |