I'm not requesting any sources, but I've used several popular search engines to find more detailed info on 1-(3,4-methylenedioxy-phenyl)-2-pyrrolidin-1-yl-pentan-1-one, MDPV & MDPK and can't find much more than what's on this forum & erowid. Is there a better search engine to use to find more detailed information on this chemical, or am I using the wrong search criteria?