$_products = array($product_1,$product_2,$product_3,$product_4);
$_products =Mage::getModel('catalog/product')->getCollection()
->addAttributeToFilter('sku', array('in' => $_products))
->addAttributeToFilter('status', 1)
->addAttributeToSelect('*')
->addUrlRewrite();

<?php echo $_product->getChildHtml('prices'); ?>