11H-3,11a-(Iminomethano)(1,2,4)dithiazino(4,3-b)(1,2)benzoxazine-4,12(3H)-dione, 9-chloro-8-hydroxy-11-methoxy- 59978-04-0 A 30641 A30641 Antibiotic A 30641 Spiro(benzofuran-2(3H),2'-(6,7)dithia(1,4)diazabicyclo(3.2.1)octane)-3,8-dione, 5-chloro-6-hydroxy-3-methoxy-