truetrue This image is a derivative work of the following images: File:ButterflyMech.png licensed with Cc-by-2.5 2011-03-25T15:48:48Z File Upload Bot (Magnus...
refer to en.wikipedia. 2005-07-16 02:22 Takometer 425 × 283 (4017 bytes) Butterfly Mechanism to synthesize epoxides. English determination method or standard:...
