P3R1O1P3O1X8Y4P3H4E1N1E1
31 points
PROPOXYPHENE is validvalid
[n PROPOXYPHENES]
a narcotic analgesic structurally related to methadone but less addicting [n -S]
[n PROPOXYPHENES]
a narcotic analgesic structurally related to methadone but less addicting [n -S]