| abstract |
A stilbene derivative, which is a compound of the following general formula I or general formula II, or an acceptable salt formed by the compound of the general formula I or the general formula II and an inorganic or organic acid; n n n n n n n n n n n n wherein, in the general formula I or the general formula II, the atom represented by X is a hydrogen atom or a halogen atom; n the substituent represented by R is C1-C6 alkyl, 1-6-membered heteroalkyl, C2-C4 alkenyl, C2-C4 alkynyl, C3-C6 cycloalkyl, substituted C3-C6 cycloalkyl, 3-6-membered heterocycloalkyl, substituted 3-6-membered heterocycloalkyl, 5-18-membered aryl, substituted 5-18-membered aryl, 5-18-membered heteroaryl, or substituted 5-18-membered heteroaryl. |