Patent ID: 11959138
Assignee: ILLUMINA CAMBRIDGE LIMITED
Field: Organic fine chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 11:
12. The kit of claim 11, wherein the second photochromic moiety comprises a structure of formula (II):, wherein:
Y is O (oxygen) or S (sulfur);
each of R1b and R2b is independently selected from the group consisting of H, halo, optionally substituted C1-6 alkyl, optionally substituted C2-6 alkenyl, optionally substituted C2-6 alkynyl, C1-6 haloalkyl, C1-6 alkoxy, and C1-6 haloalkoxy; and
ring B is C6-10 aryl or 5 to 10 membered heteroaryl; each substituted with at least one electron withdrawing group; and
wherein * indicates the attachment point to the coumarin fluorescent moiety.