ethyl 2-(3-((2,3-diphenyl-7,8-dihydropyrido[3,2-b]pyrazin-5(6H)-yl)methyl)phenoxy)acetate

7-(2,3-diphenyl-7,8-dihydropyrido[3,2-b]pyrazin-5(6H)-yl)heptanoic acid

6-(2,3-diphenyl-7,8-dihydropyrido[2,3-b]pyrazin-5(6H)-yl)hexanoic acid