1	4O2	3-[(11as)-6-(4-fluorobenzyl)-1,3-dioxo-5,6,11,11a-tetrahydro-1h-imidazo[1',5':1,6]pyrido[3,4-B]indol-2(3h)-yl]propanoic acid	1.000
2	4O3	(11as)-6-(4-fluorobenzyl)-5,6,11,11a-tetrahydro-1h-imidazo[1',5':1,6]pyrido[3,4-B]indole-1,3(2h)-dione	0.839