There are provided compounds of the formulawherein X, Y and R1 to R8 are described herein along with the enantiomers, pharmaceutically acceptable salts and esters thereof. The executing step includes detecting an electronic identification feature of an aftertreatment component of the exhaust aftertreatment system, and comparing the electronic identification feature to an expected value. The message is processed at the media gateway controller and at the processor for generating an instruction message with unique indicators, which is communicated to the media server in a SIP INVITE format.