Try searching for...
SCFBio, IIT Delhi
Formula: C20H14NO4+ | Mol. Weight: 332.30 g/mol
IUPAC: 13-methyl-5,7,17,19-tetraoxa-13-azoniahexacyclo[12.10.0.02,10.04,8.015,23.016,20]tetracosa-1(24),2,4(8),9,11,13,15(23),16(20),21-nonaene
C[N+]1=C2C(=CC3=C2C4=C(C=C3)OCO4)C5=CC6=C(C=C5C=C1)OCO6