definiens: shall mean all KNOW - HOW : ( a ) not in the public domain and in the possession of SIEGFRIED as of the Effective Date ; ( b ) conceived, developed, acquired, made and/or redu ced to practice by SIEGFRIED during the TERM that pertains to development or production technologies applicab le to the development or preparation of active pharmaceut ical compounds and intermediates ( but not any SELEC TED COMPOUND or PRODUCT ) or of formulations of such com pounds and intermediates ; or ( c ) conceived, developed, acquired, made and/or reduced to practic e by SIEGFRIED during the TERM that pertains to development and production technologies generally a pplicable to the development or preparation of a va riety of active pharmaceutical compounds and intermediates ( at least one of which, but not all of which, is a S ELECTED COMPOUND or PRODUCT ) or of formulations of such com pounds and intermediates . SIEGFRIED KNOW - HOW shall not include or constitute NEW KNOW - HOW