A Necessary for human life
A61 Medicine or veterinary medicine; hygiene
A61K Medical, dental or cosmetic preparations
A61K Preparations for medical, dental or cosmetic use
31/00 Pharmaceutical preparations containing organic active ingredients
31/33. Heterocyclic compounds
31/395..Having nitrogen as ring heteroatom, such as guanethidine, rifamycin
31/41...Five-membered ring with two or more ring heteroatoms , which has at least 1 nitrogen atom, such as tetrazole
31/425 ....thiazole
31/429 .....fused with a heterocyclic ring
31/43...Compounds containing 4thia-1azabicyclo[3.2.0]heptane ring system, that is, compounds containing the ring system of the following formula:
Or
C Chemistry, Metallurgy
C07 Organic Chemistry
C07D Heterocyclic Compounds
C07D Heterocyclic Compounds
499/00 Heterocyclic compounds containing 4-thia-1-azabicyclo[3.2.0]heptane ring system, i.e. compounds containing the following formula ring system, for example, penicillin, penem; such rings The system is further condensed, for example with oxygen-, nitrogen- or sulfur-containing heterocyclic 2,3-condensation
499/04. Preparation
499/18..Isolation; Purification
General product categories are classified in Part A; methods and process flow categories are classified in Part C.