Name: 1-Fluoro-9-hydroxy-6,6-dimethyl-10,11-dioxo-6,7,8,9,10,11-hexahydro-3H-naphtho[1,2-g]indole-2-sulfonic acid

C18H16FNO6S
Exact Mass: 393.07
Mol. Wt.: 393.39
m/e: 393.07 (100.0%), 394.07 (21.7%), 395.06 (4.4%), 395.07 (3.3%)
C, 54.96; H, 4.10; F, 4.83; N, 3.56; O, 24.40; S, 8.15