Try searching for...
SCFBio, IIT Delhi
Formula: C20H16NO4+ | Mol. Weight: 334.30 g/mol
IUPAC: 24-methyl-5,7,17,19-tetraoxa-13-azoniahexacyclo[11.11.0.02,10.04,8.015,23.016,20]tetracosa-1(13),2,4(8),9,14,16(20),21,23-octaene
CC1=C2C=CC3=C(C2=C[N+]4=C1C5=CC6=C(C=C5CC4)OCO6)OCO3