53653-33-1 | Naphtho[2,1-b]pyrylium, 8,10-dinitro-3-(2-oxo-2H-1-benzopyran-3-yl)-,perchlorate | C22H11N2O7.ClO4 |
53653-81-9 | Naphtho[2,1-b]pyrylium, 3-(6-methoxy-2-oxo-2H-1-benzopyran-3-yl)-,perchlorate | C23H15O4.ClO4 |
53653-83-1 | Naphtho[2,1-b]pyrylium, 3-(6-chloro-2-oxo-2H-1-benzopyran-3-yl)-,perchlorate | C22H12ClO3.ClO4 |