CREATE TABLE table_65229 ("[ 3 H]CFT" FLOAT, "[ 3 H]Nisoxetine" TEXT, "[ 3 H]Paroxetine" TEXT, "N \\u00f7 D" FLOAT, "S \\u00f7 D" FLOAT)

What is the highest S D with a 2420 (220) [3H] paroxetine and an N D less than 393.8?
SELECT MAX("S \u00f7 D") FROM table_65229 WHERE "[ 3 H]Paroxetine" = '2420 (220)' AND "N \u00f7 D" < '393.8'
SELECT MAX("S \u00f7 D") FROM "table_65229" WHERE "N \u00f7 D" < '393.8' AND "[ 3 H]Paroxetine" = '2420 (220)'