Patent ID: 9422297
Filing Date: 2016-08-23
CPC Classification: A61K,A61P,C07D

Claim Text:
1. A compound of formula I: wherein both B and C rings may be completely or partially saturated or unsaturated with respect to bond 4b-8a, 5-6 and 7-8; the C ring may have an N or substituted N depending on the saturation level of the C ring, and the substitution may be all of R X and/or Y═NH, O, S, CH R Z═S, O, NR wherein Z may be attached to the C ring at positions 5, 6, 7 or 8 and may be attached to more than one of said positions 5, 6, 7, or 8 on the ring wherein Z may be the same or different; wherein Z may be zero and R wherein when the C-ring is saturated or partially saturated the substituted Z or R R