CC(=O)C1(O)CCC2(O)C3(O)CC=C4CC(O)CCC4(C)C3CC(OC(=O)c3ccc(O)cc3)C12C
Orally active drug usually follows the rule of three, in which the molecular weight of a fragment is <300, the c Log P is ≤3, the number of hydrogen bond donors is ≤3 and the number of hydrogen bond acceptors is ≤3. The molecule meets rule of three or not?