CAFFEINE-1,3,7 TRIMETHYLXANTHINE CH3 1 3N CH3
N N NNCH3 CH3 CH3 O O 1 3 7
HALF-LIFE How Long It Takes To Go 42086420 01234567891011 Time(hrs)
C o n c e n t r a tio n ( µ g/ ml) Time (hrs) How Long It Takes To Go 0 2 4 6 8 10 12 14 0 1 2 3 4 5 6 7 8 9 10 11