This disclosure provides compounds having the structure: wherein L3, R7, Rd and p are defined herein, which are modulators of MAGL and/or ABHD6. Further provided is the use of these compounds as medicinal agents, processes for their preparation, and pharmaceutical compositions that include the disclosed compounds. The disclosure also provides a method of treating a patient in need thereof, where the patient is suffering from indications such as pain, solid tumor cancer and/or obesity comprising administering a disclosed compound or composition.