1-(8-(3-Methoxyphenyl)-7-methyl-7,8-dihydro-6H-[1,3]dioxolo[4,5-g]chromen-6-yl)pyrrolidine AIDS-144118 AIDS144118 Methyl 3-(7-methyl-6-(1-pyrrolidinyl)-7,8-dihydro-6H-[1,3]dioxolo[4,5-g]chromen-8-yl)phenyl ether NSC666229