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 Level 2
 
 L - Antineoplastic and immunomodulating agentsL01 - Antineoplastic agents
 
 L01A - Alkylating agentsL01B - AntimetabolitesL01C - Plant alkaloids and other natural productsL01D - Cytotoxic antibiotics and related substancesL01X - Other antineoplastic agents
 
 
 
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