[2R-(2alpha,4alpha,4abeta,5alpha,7beta,7abeta)]-六氢-4-甲氧基-7a-甲基-8-亚甲基-2,5-甲桥环戊二烯并-1,3-二恶英-7-醇价格, 1-O-Methyljatamanin D对照品, CAS号:54656-47-2