Eucalyptus/Limonene/Pinene

Primary objective: To evaluate the safety and tolerability of single and multiple oral administration of GPN00204 in healthy Chinese adult subjects. Secondary objective: To evaluate the pharmacokinetic (PK) characteristics of single and multiple oral administration of GPN00204 in healthy Chinese adult subjects, and the differences in PK parameters of each component after single and multiple oral administration of Eucalyptus citrinum enteric-coated capsules (Cheno®, 0.3g); to evaluate the effect of food on the pharmacokinetics of GPN00204.

Primary objective: To evaluate the safety and tolerability of a single dose of Eucalyptus, Lemon and Pinus Soft Capsules in healthy Chinese adult subjects. Secondary objective: To evaluate the pharmacokinetic (PK) characteristics of the test drug (modified formulation, Eucalyptus, Lemon and Pinus Soft Capsules) in healthy Chinese adult subjects after a single dose; to compare the differences in pharmacokinetic (PK) characteristics between the test drug (modified formulation, Eucalyptus, Lemon and Pinus Soft Capsules) and the control drug (original formulation, Eucalyptus, Lemon and Pinus Enteric-coated Capsules Cherno®).