Patent ID: 11952495
Assignee: LIFE TECHNOLOGIES CORPORATION
Field: Measurement (Instruments)
Classification: CPC C  G | IPC C  G

Claim 0:
1. A compound chosen from a compound of Formula (I):, its corresponding compound of Formula (II), wherein,
O—X—Y is chosen from, D is, wherein

R5, R6, R7 and R8 are each independently chosen from H and alkyl; and
R9, R10, R11 and R12 are each independently chosen from H, alkyl, sulfo and sulfonyl; or
R8 is taken together with R12 and the atoms to which they are attached to form an optionally substituted fused ring;
or R9 is taken together with R5 and the atoms to which they are attached to form an optionally substituted fused ring;
or R10 is taken together with R7 and the atoms to which they are attached to form an optionally substituted fused ring;
or R11 is taken together with R6 and the atoms to which they are attached to form an optionally substituted fused ring.