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What is the molecular formula of the compound with this IUPAC name (2R)-8-amino-2,4-dimethyl-1,4-benzoxazin-3-one;(2R)-6-chloro-2,4-dimethyl-8-nitro-1,4-benzoxazin-3-one;(2R)-6-chloro-2-methyl-8-nitro-4H-1,4-benzoxazin-3-one;(2R)-2,4-dimethyl-8-piperazin-1-yl-1,4-benzoxazin-3-one ?
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C43H47Cl2N9O12
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