label: N-(2-(2-(2,3-dihydro-6-hydroxy-2-oxo-1H-naphtho(2,1-b)(1,4)thiazin-5-ylthio)ethylaminocarbonyl)ethyl)-2,4-dihydroxy-3,3-dimethylbutyramide
label_lc: n-(2-(2-(2,3-dihydro-6-hydroxy-2-oxo-1h-naphtho(2,1-b)(1,4)thiazin-5-ylthio)ethylaminocarbonyl)ethyl)-2,4-dihydroxy-3,3-dimethylbutyramide