N-(5-(1-(benzo[d][1,3]dioxol-5-yl)-2-(methylsulfonyl)ethyl)-4,6-dioxo-5,6-dihydro-4H-thieno[2,3-c]pyrrol-3-yl)-2-methoxyacetamide 生成 (S)-N-(5-(1-(benzo[d][1,3]dioxol-5-yl)-2-(methylsulfonyl)ethyl)-4,6-dioxo-5,6-dihydro-4H-thieno[2,3-c]pyrrol-3-yl)-2-methoxyacetamide 、 (R)-N-(5-(1-(benzo[d][1,3]dioxol-5-yl)-2-(methylsulfonyl)ethyl)-4,6-dioxo-5,6-dihydro-4H-thieno[2,3-c]pyrrol-3-yl)-2-methoxyacetamide