Patent ID: 11866588
Assignee: PROFUSA, INC.
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  A | IPC C

Claim 15:
16. The polymer of claim 15, wherein the polymer has a structure according to formula (IIE):, , or a tautomer, salt, hydrate, or solvate thereof,, wherein:
each of Y6, Y7, Y8, and Y9 is, independently, N or CR16; and
R16 is H, SO3H, B(OH)2, optionally substituted amino, optionally substituted C1-C10 alkyl, optionally substituted C6-C10 aryl, optionally substituted ester, optionally substituted C1-C10 alkoxy, optionally substituted C6-C10 aryloxy, optionally substituted C6-C10 thioalkyl, optionally substituted C6-C10 thioaryl, optionally substituted C1-C10 heteroalkyl, optionally substituted C2-C10 heteroaryl, optionally substituted C2-C10 heteroalkoxy, optionally substituted C2-C10 heteroaryloxy, nitro, azido, carboxy, or hydroxy.