Patent ID: 11932664
Assignee: INSTITUTE OF ORGANIC CHEMISTRY AND BIOCHEMISTRY AS CR V.V.I.
Field: Organic fine chemistry (Chemistry)
Classification: CPC C  A | IPC C

Claim 2:
3. The method of claim 1, wherein:
R1 is H;
R2 and R3 are each selected from the group consisting of H, —(CR5R6)n—O—R7, —(CR5R6)n—Ar—O—C(═O)—R7, —(CR5R6)n—O—C(═O)—R7, —Ar—C(═O)—O—(CR5R6)n—R7, and —(CR5R6)n—O—C(═O)—O—R7; and
R4 is selected from the group consisting of —(CR5R6)n—O—R7, —(CR5R6)n—Ar—O—C(═O)—R7, —Ar—C(═O)—O—(CR5R6)n—R7, —(CR5R6)n—O—C(═O)—R7 and —(CR5R6)n—O—C(═O)—O—R7; or
pharmaceutically acceptable salts thereof.