L-isoleucyl-L-alanyl-N~5~-(diaminomethylidene)-L-ornithyl-N~5~-(diaminomethylidene)-L-ornithyl-L-histidyl-L-prolyl-L-tyrosyl-L-phenylalanyl-L-leucine, China L-isoleucyl-L-alanyl-N~5~-(diaminomethylidene)-L-ornithyl-N~5~-(diaminomethylidene)-L-ornithyl-L-histidyl-L-prolyl-L-tyrosyl-L-phenylalanyl-L-leucine Selling, Selling China L-isoleucyl-L-alanyl-N~5~-(diaminomethylidene)-L-ornithyl-N~5~-(diaminomethylidene)-L-ornithyl-L-histidyl-L-prolyl-L-tyrosyl-L-phenylalanyl-L-leucine, Nantong Reform Chemical Co.,Ltd.