Oxandrolone (Anavar) was described for the first time in the year 1964 at Searle Laboratories (currently a subsidiary of Pfizer).
Oxandrolone (Anavar) ໄດ້ຖືກອະທິບາຍເປັນຄັ້ງ ທໍາ ອິດໃນປີ 1964 ທີ່ Searle Laboratories (ປະຈຸບັນເປັນບໍລິສັດຍ່ອຍຂອງ Pfizer).