Abstract: A pharmaceutical composition comprising a small molecule EGFR inhibitor and a preparation method therefor, the composition comprising N-(5-((4-(1-cyclopropyl-1H-indol-3-yl)pyrimidin-2-yl)amino)-2-((2-(dimethylamino)ethyl)(methyl)amino)-4-methoxyphenyl)acrylamide, an isomer, solvate, hydrate, or pharmaceutically acceptable salt thereof, or a combination thereof that acts as an active ingredient, and at least one pharmaceutically acceptable excipient.

Abstract: A pharmaceutical composition comprising a small molecule EGFR inhibitor and a preparation method therefor, the composition comprising N-(5-((4-(1-cyclopropyl-TH-indol-3-yl)pyrimidin-2-yl)amino)-2-((2-(dimethylamino)ethyl)(methyl)amino)-4-methoxyphenyl)acrylamide, an isomer, solvate, hydrate, or pharmaceutically acceptable salt thereof, or a combination thereof that acts as an active ingredient, and at least one pharmaceutically acceptable excipient.

Abstract: An electronic transaction processing method, including: receiving a self-verification request, sent by a payee terminal, for an order transaction; and determining whether transaction verification information carried in the self-verification request matches verification information of the order transaction, wherein the verification information of the order transaction is sent to an associated payer account when the order transaction is successful; and if both match, not carrying out reversal processing.