A Study of the Absorption, Distribution, Metabolism and Excretion of LY3039478 in Healthy Participants

Inclusion Criteria: \- Have a body mass index (BMI) of 18 to 32 kilogram per meter square (kg/m²), inclusive Exclusion Criteria: * Have previously completed or withdrawn from this study or any other study investigating LY3039478, and have previously received the investigational product * Have known allergies to LY3039478, related compounds or any components of the formulation, or history of significant atopy * Have had exposure to significant diagnostic, therapeutic, or employment-related radiation within 12 months prior to dosing (eg, serial x-ray or computed tomography scans, barium meal, current employment in a job requiring radiation exposure monitoring) * Have participated in a \[¹⁴C\] study within the last 6 months prior to admission for this study. The total 12-month exposure from this study and a maximum of one other previous \[¹⁴C\]-study within 6 to 12 months of this study must be within the Code of Federal Regulations (CFR) recommended levels considered safe: less than 5000 millirem (mrem)/year whole body annual exposure