halothane 151-67-7 Adrafinil 63547-13-7 Brotizolam 57807-81-7 Butorphanol 54244-71-2 dezocine 53648-55-8 KYNURENICACID 砷化铬 12254-85-2 Desflurane 57041-67-5 nitrazepam 146-22-5 Lorazepam 846-49-1 clonazepam 1622-61-3 Flunitrazepam 1622-62-4 5-EAPB CAS: 1445566-01-7 5F-ADB CAS：1715016-75-3 Femproporex生产厂家技术原料产地价格