54627-07-5 BENZOIC ACID, 4-(2,3,5,7-TETRAHYDRO-5,7-DIOXO-6H-1,4-DITHIINO(2,3-c)PYRROL-6-YL) Benzoic acid, 4-(2,3,5,7-tetrahydro-5,7-dioxo-6H-1,4-dithiino(2,3-c)pyrrol-6-yl)-, 2-(diethylamino)ethyl ester, monohydrochloride RA(sub 18)