Patent ID: 11913884
Assignee: WILLIAM MARSH RICE UNIVERSITY
Field: Measurement (Instruments)
Classification: CPC G  C  A  B | IPC A  B  C  G

Claim 6:
7. A photoactivatable fluorophore is further defined as:, , wherein:
X7 is O or S;
X8 is —O— or —NRx—, wherein
Rx is hydrogen or substituted alkyl(C≤8); or
—S1-L1-S2—Ry, wherein:
S1 is a covalent bond, -alkanediyl(C≤8)—, or substituted -alkanediyl(C≤8)—;
L1 is a covalent bond or —C(O)—, —C(O)O—, or —C(O)NRz—, wherein:
Rz is hydrogen, alkyl(C≤8), or substituted alkyl(C≤8); and

S2 is a covalent bond or —(CH2CH2O)n—, wherein n is from 0 to 10;
Ry is alkyl(C≤8) or substituted alkyl(C≤8); and

Rw is heterocycloalkyl(C≤8) or substituted heterocycloalkyl(C≤8);, or a pharmaceutically acceptable salt or tautomer thereof.