definiens: means any product that is or contains a compound ( A ) the primary method of action of which is ASBT Inhibition Activi ty or ( B ) that is commercialized or developed for a ny PFIC Indication, ALGS Indication or Biliary Atresia Indi cation ; provided, however, that foregoing clause ( B ) shall not apply with respect to ( 1 ) a given Indication if a P roduct Failure has occurred with respect to such In dication ( e.g., if a Product Failure has occurred for a Lice nsed Product for the Biliary Atresia Indication, Mi rum may thereafter develop and commercialize a product for the Biliary Atresia Indication if such product uses a different primary method of action than ASBT Inhibition Activ ity ) or ( 2 ) a given product if such product is a Complementary Product