1,3-Diamino-7-(diethylamino)-8-methylphenoxazin-5-ium chloride 10127-36-3 Brilliant Cresyl Blue BB C.I. 51010 EINECS 233-358-3 Phenoxazin-5-ium, 1,3-diamino-7-(diethylamino)-8-methyl-, chloride