Internal standard	Stock concentration (mg/mL)	Volume to mix (μL)	Final concentration (μM)
CER(16:0) (d9)	0.02	110	36.57
CE(22:6) (d7)	0.15	110	213.18
TAG(52:1/FA18:0) (d9)	0.14	109	160.95
DCER(16:0) (d9)	0.004	110	7.29
FFA(17:1)	0.05	110	186.23
HCER(16:0) (d9)	0.03	110	42.31
LCER(16:0) (d9)	0.03	110	34.43
LPC(16:0) (d9)	0.1	110	198.14
LPE(18:0) (d5)	0.05	110	102.75
PC(16:0/16:1) (d9)	0.0625	76	84.39
PE(18:0/18:1) (d5)	0.01	109	13.32
SM(16:0) (d7)	0.1	110	140.92