| 摘要 |
<p>There is provided a compound having Formula I In the formula: R1 can be aryl, alkyl, silyl, or deuterated analogs thereof; R2 can be aryl, alkyl, silyl, or deuterated analogs thereof; R3 can be H, D, alkyl, silyl, deuterated alkyl, or deuterated silyl; and R4 is the same or different at each occurrence and is H,D, aryl, alkyl, silyl, deuterated aryl, deuterated alkyl, or deuterated silyl.</p> |
