Sunflower Pharmaceutical Group Jizhou Co. Ltd.

The main purpose of the study is to use acetylcysteine granules (trade name: Fulushi®) licensed by Hainan Zanbang Pharmaceutical Co., Ltd. as the control drug and acetylcysteine oral solution owned by Sunflower Pharmaceutical Group (Jizhou) Co., Ltd. as the test drug. The two preparations are evaluated for their bioequivalence in the fasting and postprandial state through a single-center, randomized, open, single-dose, two-preparation, two-sequence, two-period, double-crossover design clinical study. Secondary purpose of the study: To observe the safety of the test drug and the control drug in healthy Chinese subjects.