4-(8-(2-Methoxyphenyl)-7-methyl-7,8-dihydro-6H-[1,3]dioxolo[4,5-g]chromen-6-yl)morpholine AIDS-144105 AIDS144105 Methyl 2-(7-methyl-6-(4-morpholinyl)-7,8-dihydro-6H-[1,3]dioxolo[4,5-g]chromen-8-yl)phenyl ether NSC666216