A4993-E3 is a code appearing on a medical drug shown in "Not in Portland". The readable parts of the label are: In addition, the first dose used in the episode has "Week 6 Batch 7" hand-written on a white taped section of the label. Juliet was stealing this drug from ex-husband Edmund Burke's laboratory, where she was working. She was injecting her sister Rachel with it to cure Rachel's infertility; Rachel later tells Juliet that the drug worked because Rachel is pregnant.