Chromophoric compounds and uv-absorbing compositions

A compound of Formula VII:

• or a salt thereof, wherein:
• each R1 is independently H or —CN;
• each X is independently O or NR′;
• T is a linking moiety selected from optionally substituted C1-C20 alkylene, optionally substituted C2-C20 alkenylene, optionally substituted C2-C20 alkynylene, optionally substituted C2-C20 alkoxyalkylene, optionally substituted C2-C20 cycloalkylene, optionally substituted C2-C20 cycloalkenylene, and optionally substituted C2-C20 heterocycloalkylene, wherein one or more carbon atoms of the backbone of the linking moiety T are optionally replaced by a divalent group each independently selected from oxygen (—O—), carbonyl (—CO—), optionally substituted alkylamino, optionally substituted cycloalkylene, optionally substituted heterocyclylene, optionally substituted heteroarylene, and optionally substituted arylene;
• each R3, R5, R6, R7, R8, R9, R10, R13, R14, R15, R16, and R17 is independently selected from H, halogen, optionally substituted C1-C20 alkyl, optionally substituted C2-C20 alkenyl, optionally substituted C2-C20 alkynyl, optionally substituted C3-C8 cycloalkyl, optionally substituted C2-C20 cycloalkenyl, optionally substituted C2-C7 heterocycloalkyl, optionally substituted C6-C10 aryl, optionally substituted C2-C9 heteroaryl, —OR′, —C(O)R′, —C(O)OR′, —C(O)NR′R″, —C(═NR′)NR′R″, —C(═NR″)R′, —NR′R″, —CN, —N═NR′, cyanate, —OCN, —CNO, —NO2, —OC(O)NR′R″, —SR′, —S—SR′, —S(O)R′, —S(O)2R′, —S(O)2OR′, —S(O)2NR′, —C(O)SR′, —C(S)SR′, —C(S)NR′, —B(OH)2, —B(OR′)(OR″), —PR′3, —PR′2, —P(OR′)2, —OP(OR′)2, —P(O)(OR′)2, —OP(O)(OR′)2, a polyamide, and a polyether;
• each R′ and R″ is independently selected from H, optionally substituted C1-C20 alkyl, optionally substituted C2-C20 alkenyl, optionally substituted C2-C20 alkynyl, optionally substituted C2-C20 cycloalkyl, optionally substituted C2-C20 cycloalkenyl, optionally substituted C2-C20 heterocycloalkyl, optionally substituted C6-C10 aryl, optionally substituted C2-C9 heteroaryl, a polyamide, and a polyether;
• and
• n is selected from 2, 3, 4, 5, and 6.