Zengcheng Guangzhou Ouhua Pharmaceutical Co., Ltd.

Main research purpose: Carbocysteine tablets (specification: 0.25g) produced by Guangzhou Ouhua Pharmaceutical Co., Ltd. and produced by Guangdong Huanan Pharmaceutical Group Co., Ltd. were used as the test preparation. Carbocysteine tablets produced by Xinglin Pharmaceutical Co., Ltd. Tan tablets (trade name: Mokuno, specification: 250mg) are reference preparations. The absorption speed and degree of absorption of the test preparation and the reference preparation are studied, and the bioequivalence of the two preparations when single administration under fasting/postprandial conditions is evaluated. effectiveness. Secondary study objectives: To observe the safety of a single oral administration of two formulations in healthy subjects under fasting/postprandial conditions.