Table T15. Identities of hydrocarbon components labeled with codes in Figure F32.
Peak
Code
Identification
A 3-ME C15 3-methyltetradecane (anteiso-C15 alkane)
B TMTD 2,6,10-trimethyltridecane
C PR Pristane
D PH Phytane
E P Phytenes
F HMTC Hexamethyltetracosane
G C274S Cholest-4-ene
H C275S Cholest-5-ene
I C284,22S 24-methylcholesta-4,22-diene
J C285,22S 24-methylcholesta-5,22-diene
K C2717(21)H 22,29,30-trisnorhop-17(21)-ene
L ME C2817(21)H 22,29,30-trisnormethylhop-17(21)-ene
M C30 T Unknown C30 triterpene (dammaradiene?)
N C29 T Unknown C29 triterpene
O C27H 22,29,30-trisnor-17(H)-hopane
P C294,22S 24-ethylcholest-4,22-diene
Q C295,22S 24-ethylcholest-5,22-diene
R C294S 24-ethylcholest-4-ene
S C295S + C2917(21)H 24-ethylcholest-5-ene + 30-norhop-17(21)-ene
T 3017(21)H Hop-17(21)-ene
U C293,5S 24-ethylcholesta-3,5-diene
V C30H 17(H),21(H)-hopane
W 8F Fern-8-ene
X C3013(18)nH Neohop-13(18)-ene
Y C29H 30-nor-17(H),21(H)-hopane
Z C3117(21)H 22S and 22R homohop-17(21)-ene
a C31H 17(H),21(H)-homohopane
b C30H 17(H),21(H)-hopane
c ME C31H 17(H),21(H)-methylhopane
C31H C31H 17(H),21(H)-homohopane
d ME C33H 17(H),21(H)-methylbishomohopane
e C32H 17(H),21(H)-bishomohopane
f ME C34H 17(H),21(H)-methyltrishomohopane
g C33]H 17(H),21(H)-trishomohopane

Note: Pristane = 2,6,10,14-tetramethylpentadecane, phytane = 2,6,10,14-tetramethylhexadecane.