(2013/04/24)
(4R,12aS)-7-(benzyloxy)-N-(2,4-difluorobenzyl)-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1′,2’:4,5]-pyrazino[2,1-b][1,3]oxazine-9-carboxamide
C32H33F2N3O7
2-Aminomethylthiophene
(4R,12aS)-3,4,6,8,12,12a-hexahydro-4-methyl-6,8-dioxo-7-(phenylmethoxy)-2H-pyrido [1',2':4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxylic acid