Venezuela, under U.S. embargo, has shifted some of its crude exports from American refiners to India and Europe, according to the country’s oil minister and ship-tracking firms. But it will difficult for President Nicolás Maduro’s government to generate a profit from these sales and counter U.S. pressure, analysts said. Since late January, the regime’s oil exports have come under U.S. restrictions aimed at redirecting crude revenue to opposition leader Juan Guaidó, whom the U.S. recognizes as the country’s legitimate president. …