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system
Convert the IUPAC name of a molecule methyl (2R,3R)-8-[[(2R,3R)-8-[[(2R,3R)-8-[[(2R,3R)-8-[[(2R,3R)-8-[[(2R,3R)-2,3-dimethyl-8-(phenylmethoxycarbonylamino)-1,4-dioxaspiro[4.5]decane-8-carbonyl]amino]-2,3-dimethyl-1,4-dioxaspiro[4.5]decane-8-carbonyl]amino]-2,3-dimethyl-1,4-dioxaspiro[4.5]decane-8-carbonyl]amino]-2,3-dimethyl-1,4-dioxaspiro[4.5]decane-8-carbonyl]amino]-2,3-dimethyl-1,4-dioxaspiro[4.5]decane-8-carbonyl]amino]-2,3-dimethyl-1,4-dioxaspiro[4.5]decane-8-carboxylate into molecular formula.
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C75H112N6O21
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