4-(8-(4-Methoxyphenyl)-7-methyl-7,8-dihydro-6H-[1,3]dioxolo[4,5-g]chromen-6-yl)morpholine AIDS-144104 AIDS144104 Methyl 4-(7-methyl-6-(4-morpholinyl)-7,8-dihydro-6H-[1,3]dioxolo[4,5-g]chromen-8-yl)phenyl ether NSC666215