TABLE 2.

Mass spectra of products of dye II degradation

Compound no.	Enhanced mass spectrum m/z (relative intensity [%])	Value for enhanced product ion mass spectrum of quasi molecular ion
		Collision energy (V)	m/z (relative intensity [%])
VIII	484 (26), 483 (100), 457 (4.5), 456 (24), 455 (80), 429 (<1), 428 (2.5), 427 (7), 158 (7), 157 (8), 156 (73)	−30	483 (26), 455 (28), 427 (7), 347 (0.5), 312 (0.5), 172 (6.5), 156 (100), 80 (11.5)
IX	641 (1), 640 (3), 639 (12.5), 612 (3), 611 (5.5), 456 (7), 455 (21), 454 (100), 399 (1), 398 (5), 397 (19), 362 (3), 361 (8), 158 (6), 157 (6.5), 156 (84), 145 (22)	−50	639 (2), 611 (38), 583 (7.5), 531 (12), 503 (11.5), 454 (12.5), 441 (7), 425 (5), 397 (4), 326 (14.5), 282 (7.5), 172 (4), 156 (100), 80 (9.5)
X	487 (9), 486 (26.5), 485 (100), 458 (0.5), 457 (8)	−50	485 (72), 457 (70), 441 (6), 405 (13), 385 (7), 373 (70), 361 (14), 349 (100), 301 (9), 273 (7), 245 (6), 156 (16), 80 (6)
XI	331 (1.5), 330 (18.5), 329 (100), 302 (4), 301 (27)	−35	329 (100), 301 (51.5), 285 (11), 273 (68.5), 249 (64.5), 221 (70)