definiens: shall mean the initial indication among a Movement Disorder Indication, an Addiction Indicati on and an Other Indication that reaches the corresponding Milestone, and shall mean an indication among such three indications, excluding the one from which the First Indication was drawn, that secondly reaches the corresponding Milestone, and shall mean the last indication among such three indications, excluding the two from which the First Indication and Second Indication were drawn, that reaches the corresponding Milestone, e.g., if the i nitial indication to reach a Phase 1 clinical Miles tone is a Movement Disorder Indication, such Movement Di sorder Indication shall trigger the First Indication Phase 1 Clinical Milestone Fee, if the i ndication to secondly reach a Phase 1 clinical Milestone is an Addiction Indication, such Addictio n Indication shall trigger the Second Indication Phase 1 Clinical Milestone Fee, and thereafter the Third Indication Phase 1 clinical Milestone Fee sha ll be triggered if and when an Other Indication reachi ng a Phase 1 clinical Milestone