Table 1.

Chemically identified constituents of PCE.

Compound	Rt*	Formula	Molecular weight	Fragmentation pattern	NIST reference (Cas number)
Methyl tetradecanoate	14.19	C15H30O2	242	242, 211, 199, 143, 87, 74	124-10-7
4-(para-Chlorobenzyl)-pyridine	16.08	C12H10ClN	203	203, 168, 167, 139, 125	4409-11-4
9-Octadecenoic acid (Z)-, methyl ester	20.65	C19H36O2	296	296, 264, 222, 180, 123, 111, 98, 83, 74, 69, 55, 41, 29	112-62-9
Methyl stearate	20.95	C19H38O2	298	298, 255, 199, 143, 87, 74	112-61-8
9,10-Dibromoanthracene	26.26	C14H8Br2	334	334, 176, 174, 175, 177, 178, 88, 87, 168, 150	523-27-3
Octamethylcyclotetrasiloxane	27.20	C8H24O4Si4	296	281, 265, 207, 191, 133, 73	556-67-2
9-Octadecyne	27.28	C18H34	250	81, 67, 41, 95, 55, 82, 43, 54, 69, 96, 109, 123, 137	35365-59-4

*Rt, Retention time (as min).