(4R)-4-(2,3,4,6,6abeta,7,8,9,9aalpha,9bbeta-decahydro-6abeta-methyl-3-oxo-1H-cyclopenta(f)quinolin-7beta-yl)valeric acid
(4r)-4-(2,3,4,6,6abeta,7,8,9,9aalpha,9bbeta-decahydro-6abeta-methyl-3-oxo-1h-cyclopenta(f)quinolin-7beta-yl)valeric acid