7-Methoxy-3-methyl-2,3-dihydro-1H-phospholo[2,3-c]quinoline 3-oxide 84779-96-4 AIDS-128432 AIDS128432 Methyl 3-methyl-3-oxido-2,3-dihydro-1H-phospholo[2,3-c]quinolin-7-yl ether NSC273919