leo 271 f造句

"' Estromustine "'( developmental code name "'Leo 271 f "'), also known as "'estrone 17?-3-N-bis ( 2-chloroethyl ) carbamate "'or "'estrone-cytostatic complex "', is a major active metabolite of the cystotatic estrogen and nitrogen mustard alkylating antineoplastic agent estramustine phosphate, a drug used in the treatment of prostate cancer.
It's difficult to find leo 271 f in a sentence. 用leo 271 f造句挺难的