Deserialize JSON to the exact Wrapper class structure

Deserialize with wrapper

public  class cl_pruebas {
	public cl_pruebas() {
		
	}

	public void init(){

		String my_json='{"account":"01ti0000006s5I4AAI","products":[{"id":"01ti0000006s5I8AAI","qty":"8","price":"1.00","name":"cebolla cambray c/rabano"},{"id":"01ti0000006s5I4AAI","qty":"10","price":"1.00","name":"carambola"}]}';
		
		//Deserialize from the original type, in this case Object
		Object orden_compra = JSON.deserialize(my_json,main.class);

		//Casting to the wrapper. NOTE: the name of the values needs to be the same
		main principal = (main)orden_compra;
		
		//Access to the accountId		
		System.debug('###'+principal.account);

		//Loop over products inside the main object
		for(producto p:principal.products){
			//printing the name and access to properties.
			System.debug('Nombre: '+p.name);
		}
	}


	public class main{
		public String account{get;set;}
		List<producto> products{get;set;}
	}

	public class producto{
		public String id{get;set;}
		public Integer qty{get;set;}
		public Decimal price{get;set;}
		public String name{get;set;}
	}
}